Addition within 1,000
Add hundreds, tens and ones in a ten-question round, including sums that cross a hundred.
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Use hundreds, tens and ones in larger calculations, then see fractions as equal parts of a whole.
A MathApex learning path, not complete curriculum coverage.
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Add hundreds, tens and ones in a ten-question round, including sums that cross a hundred.
For 368 + 125, combine hundreds, tens and ones with care. The same places guide subtraction, including a step that crosses a ten or hundred. Explaining where each part comes from is more useful than guessing a three-digit answer. Exact division remains a separate way to check familiar multiplication facts.
A half means one of two equal parts of one whole. Two quarters can cover the same amount as one half when the wholes are the same size. The fraction activities use simple visual models and exact equivalence, not fraction arithmetic. Begin with the Learn lesson, compare the pictures in Practice, and discuss why two written fractions can name the same amount.
Add hundreds, tens and ones in a ten-question round, including sums that cross a hundred.
Subtract with hundreds, tens and ones in a ten-question round.
Answer ten whole-number division questions and check each result by multiplying back.
Count equal parts and shaded parts, then choose the matching fraction.
Compare equal shares even when the numerators and denominators differ.