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var(--space-6);align-content:center;justify-items:center;display:grid}.practice__instructions[data-astro-cid-g6trvyx5]{max-width:28rem;margin-bottom:var(--space-4);color:var(--ink-2);font-size:var(--fs-small);text-align:center;font-weight:650}.practice__equation-row[data-astro-cid-g6trvyx5]{justify-content:center;align-items:center;gap:var(--space-3);display:flex}.practice__quantity-question[data-astro-cid-g6trvyx5]{justify-items:center;gap:var(--space-4);width:100%;display:grid}.practice__number-line-question[data-astro-cid-g6trvyx5]{justify-items:center;gap:var(--space-5);width:100%;min-width:0;display:grid}.practice__number-line-presentation[data-astro-cid-g6trvyx5]{width:100%;min-width:0}.practice__quantity-presentation[data-astro-cid-g6trvyx5]{place-items:center;width:100%;min-width:0;display:grid}.practice__comparison-question[data-astro-cid-g6trvyx5]{width:100%}.practice__equation-row--missing[data-astro-cid-g6trvyx5]{grid-template-columns:5.25rem minmax(1.2rem,auto) 5.25rem minmax(1.2rem,auto) 3.5rem;font-size:clamp(2.25rem,5vw,3.4rem);font-weight:800;line-height:1;display:grid}.practice__equation-row--completion[data-astro-cid-g6trvyx5]{grid-template-columns:minmax(2rem,auto) 4.25rem minmax(2rem,auto) minmax(1.2rem,auto) minmax(2rem,auto);font-size:clamp(2.25rem,5vw,3.4rem);font-weight:800;line-height:1;display:grid}.practice__completion-slot[data-astro-cid-g6trvyx5]{border:2px solid var(--ink);border-radius:var(--radius-3);background:var(--paper);width:4.25rem;height:4.25rem;color:var(--ink-2);box-shadow:var(--key-edge);place-items:center;display:inline-grid}.practice__equation-term[data-astro-cid-g6trvyx5],.practice__equation-operator[data-astro-cid-g6trvyx5]{justify-content:center;align-items:center;min-width:0;display:inline-flex}.practice[data-astro-cid-g6trvyx5] .equation-inline{font-size:clamp(2.25rem,5vw,3.4rem)}.practice__answer-wrap[data-astro-cid-g6trvyx5]{display:inline-flex;position:relative}.practice__answer[data-astro-cid-g6trvyx5]{border:2px solid var(--ink);border-radius:var(--radius-3);background:var(--paper);width:5.25rem;height:4.25rem;caret-color:var(--primary);text-align:center;transition:border-color var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out), transform var(--dur-base) var(--ease-out);padding:.25rem 1.65rem .25rem .5rem;font-size:2.25rem;font-weight:800;line-height:1}.practice__answer-glyph[data-astro-cid-g6trvyx5]{top:50%;right:var(--space-2);color:var(--ink-2);font-size:1.25rem;font-weight:800;line-height:1;position:absolute;transform:translateY(-50%)}.practice__feedback[data-astro-cid-g6trvyx5]{justify-content:center;align-items:center;gap:var(--space-2);min-height:3rem;color:var(--ink-2);font-size:var(--fs-small);text-align:center;font-weight:750;display:flex}.practice__feedback-glyph[data-astro-cid-g6trvyx5]{border:2px 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.key-button{width:100%}.practice__keypad--operators[data-astro-cid-g6trvyx5]{padding:var(--space-6);grid-template-columns:repeat(2,minmax(0,1fr))}.practice__keypad--relations[data-astro-cid-g6trvyx5],.practice__keypad--matching[data-astro-cid-g6trvyx5]{padding:var(--space-4);grid-template-columns:repeat(3,minmax(0,1fr))}.practice__keypad--matching[data-astro-cid-g6trvyx5] .practice__matching-choice{min-height:4.5rem;font-size:1.75rem}.practice__fraction-question[data-astro-cid-g6trvyx5]{justify-content:center;width:100%;display:flex}.practice__keypad--fractions[data-astro-cid-g6trvyx5] .practice__fraction-choice{flex-direction:column;justify-content:center;align-items:center;line-height:1.1;display:flex}.practice__keypad--fractions[data-astro-cid-g6trvyx5] [data-fraction-choice-numerator]{border-bottom:2px solid;min-width:1.3em;padding-bottom:.1em}.practice__keypad--fractions[data-astro-cid-g6trvyx5] [data-fraction-choice-denominator]{padding-top:.1em}.practice__keypad--fractions[data-astro-cid-g6trvyx5][data-fraction-style=slash] .practice__fraction-choice{flex-direction:row}.practice__keypad--fractions[data-astro-cid-g6trvyx5][data-fraction-style=slash] [data-fraction-choice-numerator]{border:0;min-width:0;padding:0}.practice__keypad--fractions[data-astro-cid-g6trvyx5][data-fraction-style=slash] [data-fraction-choice-denominator]{padding:0}.practice__keypad--fractions[data-astro-cid-g6trvyx5][data-fraction-style=slash] [data-fraction-choice-denominator]:before{content:"/"}.practice__keypad--matching[data-astro-cid-g6trvyx5] .practice__matching-check{min-height:var(--child-action-target);grid-column:1/-1}.practice__keypad--matching[data-astro-cid-g6trvyx5] .practice__matching-choice[data-selected=true]{border-color:var(--primary);background:color-mix(in srgb, var(--primary) 9%, var(--surface))}.practice[data-astro-cid-g6trvyx5][data-phase=incorrect] .practice__keypad--matching[data-astro-cid-g6trvyx5] .practice__matching-choice[data-selected=true]{border-color:var(--retry);background:color-mix(in srgb, var(--retry) 8%, var(--surface));color:var(--retry-text)}.practice__keypad--relations[data-astro-cid-g6trvyx5] .practice__relation-choice{min-height:4.5rem;font-size:2rem}.practice__keypad--relations[data-astro-cid-g6trvyx5] .practice__comparison-check{min-height:var(--child-action-target);grid-column:1/-1}.practice__keypad--relations[data-astro-cid-g6trvyx5] .practice__relation-choice[data-selected=true]{border-color:var(--primary);background:color-mix(in srgb, var(--primary) 9%, var(--surface))}.practice[data-astro-cid-g6trvyx5][data-phase=incorrect] .practice__keypad--relations[data-astro-cid-g6trvyx5] .practice__relation-choice[data-selected=true]{border-color:var(--retry);background:color-mix(in srgb, var(--retry) 8%, var(--surface));color:var(--retry-text)}.practice[data-astro-cid-g6trvyx5][data-phase=correct] .quantity-comparison__relation{border-color:var(--success);background:color-mix(in srgb, var(--success) 8%, var(--surface));color:var(--success-text)}.practice__keypad--operators[data-astro-cid-g6trvyx5] .practice__operator-choice{min-height:5rem;font-size:2.25rem}.practice__keypad--operators[data-astro-cid-g6trvyx5] .practice__operator-choice[data-selected=true]{border-color:var(--primary);background:color-mix(in srgb, var(--primary) 9%, var(--surface))}.practice[data-astro-cid-g6trvyx5][data-phase=incorrect] .practice__keypad--operators[data-astro-cid-g6trvyx5] .practice__operator-choice[data-selected=true]{border-color:var(--retry);background:color-mix(in srgb, var(--retry) 8%, var(--surface));color:var(--retry-text)}.practice[data-astro-cid-g6trvyx5][data-phase=correct] .practice__completion-slot[data-astro-cid-g6trvyx5]{border-color:var(--success);background:color-mix(in srgb, var(--success) 8%, var(--surface));color:var(--success-text)}.practice__success-actions[data-astro-cid-g6trvyx5],.practice__completion[data-astro-cid-g6trvyx5]{min-height:100%;padding:var(--space-6);border-radius:var(--radius-5);background:var(--surface-2);opacity:0;pointer-events:none;transform:translateY(var(--space-2));transition:opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out), visibility 0s linear var(--dur-fast);visibility:hidden;align-content:center;justify-items:center;display:grid}.practice[data-astro-cid-g6trvyx5] .practice__next,.practice[data-astro-cid-g6trvyx5] .practice__again{min-height:var(--child-action-target);gap:var(--space-2)}.practice__completion[data-astro-cid-g6trvyx5][hidden]{display:none}.practice__score[data-astro-cid-g6trvyx5]{margin-top:var(--space-3);color:var(--ink);font-weight:800}.practice__ephemeral[data-astro-cid-g6trvyx5]{margin-top:var(--space-2);color:var(--ink-2);font-size:var(--fs-small);text-align:center}.practice__completion[data-astro-cid-g6trvyx5] .practice__again{margin-top:var(--space-6)}.practice[data-astro-cid-g6trvyx5][data-phase=correct]:not([data-session-complete=true]) .practice__keypad[data-astro-cid-g6trvyx5],.practice[data-astro-cid-g6trvyx5][data-session-complete=true] .practice__keypad[data-astro-cid-g6trvyx5]{opacity:0;pointer-events:none;transform:translateY(calc(-1 * var(--space-2)));transition-delay:0s, 0s, var(--dur-fast);visibility:hidden}.practice[data-astro-cid-g6trvyx5][data-phase=correct]:not([data-session-complete=true]) .practice__success-actions[data-astro-cid-g6trvyx5],.practice[data-astro-cid-g6trvyx5][data-session-complete=true] .practice__completion[data-astro-cid-g6trvyx5]{opacity:1;pointer-events:auto;transition-delay:var(--dur-micro), var(--dur-micro), 0s;visibility:visible;transform:translateY(0)}.practice[data-astro-cid-g6trvyx5][data-phase=correct] .practice__answer[data-astro-cid-g6trvyx5]{border-color:var(--success);background:color-mix(in srgb, var(--success) 8%, var(--surface))}.practice[data-astro-cid-g6trvyx5][data-phase=correct] .practice__answer-glyph[data-astro-cid-g6trvyx5],.practice[data-astro-cid-g6trvyx5][data-phase=correct] .practice__feedback[data-astro-cid-g6trvyx5]{color:var(--success-text)}.practice[data-astro-cid-g6trvyx5][data-phase=incorrect] .practice__answer[data-astro-cid-g6trvyx5]{border-color:var(--retry);background:color-mix(in srgb, var(--retry) 6%, var(--surface));animation:answer-shake var(--dur-base) var(--ease-in-out)}.practice[data-astro-cid-g6trvyx5][data-phase=invalid] .practice__answer[data-astro-cid-g6trvyx5],.practice[data-astro-cid-g6trvyx5][data-phase=unanswered] .practice__answer[data-astro-cid-g6trvyx5]{border-color:var(--retry);background:color-mix(in srgb, var(--retry) 6%, var(--surface))}.practice[data-astro-cid-g6trvyx5][data-phase=incorrect] .practice__answer-glyph[data-astro-cid-g6trvyx5],.practice[data-astro-cid-g6trvyx5][data-phase=incorrect] .practice__feedback[data-astro-cid-g6trvyx5],.practice[data-astro-cid-g6trvyx5][data-phase=invalid] .practice__answer-glyph[data-astro-cid-g6trvyx5],.practice[data-astro-cid-g6trvyx5][data-phase=invalid] .practice__feedback[data-astro-cid-g6trvyx5],.practice[data-astro-cid-g6trvyx5][data-phase=unanswered] .practice__answer-glyph[data-astro-cid-g6trvyx5],.practice[data-astro-cid-g6trvyx5][data-phase=unanswered] .practice__feedback[data-astro-cid-g6trvyx5]{color:var(--retry-text)}.practice[data-astro-cid-g6trvyx5][data-phase=correct] .practice__feedback-glyph[data-astro-cid-g6trvyx5],.practice[data-astro-cid-g6trvyx5][data-phase=incorrect] .practice__feedback-glyph[data-astro-cid-g6trvyx5],.practice[data-astro-cid-g6trvyx5][data-phase=invalid] .practice__feedback-glyph[data-astro-cid-g6trvyx5],.practice[data-astro-cid-g6trvyx5][data-phase=unanswered] .practice__feedback-glyph[data-astro-cid-g6trvyx5]{display:inline-grid}.practice[data-astro-cid-g6trvyx5][data-phase=checking] .practice__answer[data-astro-cid-g6trvyx5]{opacity:.72}@keyframes answer-shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}50%{transform:translate(6px)}75%{transform:translate(-3px)}}@media (width<=29.999rem){.practice[data-astro-cid-g6trvyx5]{--practice-owl-size:5.5rem;--practice-owl-overhang:4.85rem}.practice--skill[data-astro-cid-g6trvyx5]{--practice-owl-size:4.5rem;--practice-owl-overhang:2.8rem}.practice[data-astro-cid-g6trvyx5] .practice__sheet{padding:var(--space-4)}.practice__stage[data-astro-cid-g6trvyx5]{min-height:7rem;padding-block:var(--space-6) var(--space-4)}.practice[data-astro-cid-g6trvyx5] .equation-inline{font-size:2.15rem}.practice__equation-row--missing[data-astro-cid-g6trvyx5]{gap:var(--space-2);grid-template-columns:4.5rem 1rem 4.5rem 1rem 2.5rem;font-size:2.15rem}.practice__equation-row--completion[data-astro-cid-g6trvyx5]{gap:var(--space-2);grid-template-columns:minmax(1.5rem,auto) 3.75rem minmax(1.5rem,auto) 1rem minmax(1.5rem,auto);font-size:2.15rem}.practice__completion-slot[data-astro-cid-g6trvyx5]{width:3.75rem;height:3.75rem}.practice__answer[data-astro-cid-g6trvyx5]{width:4.5rem;height:3.75rem;padding-right:1.4rem;font-size:1.9rem}.practice__keypad[data-astro-cid-g6trvyx5]{gap:var(--space-2);padding:var(--space-3)}.practice__keypad--operators[data-astro-cid-g6trvyx5]{padding:var(--space-4)}.practice__keypad--relations[data-astro-cid-g6trvyx5],.practice__keypad--matching[data-astro-cid-g6trvyx5]{padding:var(--space-3)}.practice__success-actions[data-astro-cid-g6trvyx5],.practice__completion[data-astro-cid-g6trvyx5]{padding:var(--space-4)}}@media (prefers-reduced-motion:reduce){.practice[data-astro-cid-g6trvyx5][data-phase=incorrect] .practice__answer[data-astro-cid-g6trvyx5]{animation:none}}@media (prefers-contrast:more){.practice__answer[data-astro-cid-g6trvyx5]{border-width:3px}}.owl-pose[data-astro-cid-ejdhxmyi]{user-select:none;max-width:100%;height:auto;display:block}.worksheet-place-value-prompt[data-astro-cid-fhcrr3y4]{color:var(--ink);letter-spacing:-.025em;white-space:nowrap;font-size:clamp(1rem,2vw,1.25rem);font-weight:800;line-height:1.2;display:inline-block}@media print{.worksheet-place-value-prompt[data-astro-cid-fhcrr3y4]{font-size:11.5pt}}.equation-completion-equation[data-astro-cid-mvccnqki]{min-width:0;color:var(--ink);font-size:var(--fs-math-sheet);white-space:nowrap;grid-template-columns:auto 3rem auto auto auto;justify-content:start;align-items:end;gap:.35rem;font-weight:800;line-height:1.15;display:inline-grid}.equation-completion-equation__operator[data-astro-cid-mvccnqki],.equation-completion-equation__slot[data-astro-cid-mvccnqki]{place-items:center;width:3rem;min-height:1.15em;display:inline-grid}.equation-completion-equation__slot[data-astro-cid-mvccnqki]{border-bottom:2px solid}.equation-completion-equation--solution[data-astro-cid-mvccnqki]{grid-template-columns:repeat(5,auto)}.equation-completion-equation--solution[data-astro-cid-mvccnqki] .equation-completion-equation__operator[data-astro-cid-mvccnqki]{width:auto}@media (width<=29.999rem){.equation-completion-equation[data-astro-cid-mvccnqki]{font-size:clamp(1rem, 6vw, var(--fs-math-sheet));grid-template-columns:auto 2.75rem auto auto auto}.equation-completion-equation__slot[data-astro-cid-mvccnqki]{width:2.75rem}}.missing-number-equation[data-astro-cid-iaq2ueon]{--missing-number-blank-width:4rem;min-width:0;color:var(--ink);grid-template-columns:var(--missing-number-blank-width) auto var(--missing-number-blank-width) auto minmax(2ch, auto);font-size:var(--fs-math-sheet);white-space:nowrap;justify-content:start;align-items:end;gap:.35rem;font-weight:800;line-height:1.15;display:inline-grid}.missing-number-equation__term[data-astro-cid-iaq2ueon]{justify-content:center;min-width:0;display:inline-grid}.missing-number-equation__term--blank[data-astro-cid-iaq2ueon]{width:var(--missing-number-blank-width)}[data-astro-cid-iaq2ueon][data-missing-number-blank]{border-bottom:2px solid;width:100%;min-height:1.15em;display:block}.missing-number-equation--solution[data-astro-cid-iaq2ueon]{grid-template-columns:repeat(5,auto)}@media (width<=29.999rem){.missing-number-equation[data-astro-cid-iaq2ueon]{--missing-number-blank-width:3.35rem;font-size:clamp(1rem, 6vw, var(--fs-math-sheet))}}.worksheet-pyramid[data-astro-cid-bm7yanc7]{--worksheet-pyramid-cell:clamp(2.9rem, 9vw, 3.55rem);--worksheet-pyramid-gap:.24rem;align-items:center;gap:var(--worksheet-pyramid-gap);flex-direction:column-reverse;width:min(100%,12rem);display:flex}.worksheet-pyramid__row[data-astro-cid-bm7yanc7]{justify-content:center;gap:var(--worksheet-pyramid-gap);display:flex}.worksheet-pyramid__cell[data-astro-cid-bm7yanc7]{width:var(--worksheet-pyramid-cell);height:var(--worksheet-pyramid-cell);border:1.75px solid var(--ink);border-radius:var(--radius-2);background:var(--surface);place-items:center;display:grid}.worksheet-pyramid__value[data-astro-cid-bm7yanc7]{font-size:clamp(1.2rem,3vw,1.55rem);font-weight:800;line-height:1}.worksheet-pyramid__blank[data-astro-cid-bm7yanc7]{border-bottom:1.5px solid var(--ink-3);width:58%;height:58%}.worksheet-pyramid--answer[data-astro-cid-bm7yanc7] .worksheet-pyramid__cell--target[data-astro-cid-bm7yanc7]{background:var(--surface-2)}@media print{.worksheet-pyramid[data-astro-cid-bm7yanc7]{--worksheet-pyramid-cell:17mm;--worksheet-pyramid-gap:1.3mm;width:56mm}.worksheet-pyramid__cell[data-astro-cid-bm7yanc7]{background:#fff;border:.45mm solid #000;border-radius:1.5mm}.worksheet-pyramid__value[data-astro-cid-bm7yanc7]{color:#000;font-size:5mm}.worksheet-pyramid__blank[data-astro-cid-bm7yanc7]{border-color:#555;width:64%;height:64%}.worksheet-pyramid--answer[data-astro-cid-bm7yanc7] .worksheet-pyramid__cell--target[data-astro-cid-bm7yanc7]{background:#eee}}.worksheet-number-bond[data-astro-cid-nimqt5kg]{flex:none;grid-template-rows:2.25rem 2.5rem;grid-template-columns:1fr 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