Count, compare and find missing numbers. Finish by reading each marked number line.
Name: Date:
Work through the four sections in order.
1 · Count quantities
Count and write the number in the box.
Question 1:1.
Question 2:2.
Question 3:3.
Question 4:4.
2 · Compare quantities
Write <, = or > in the box.
Question 5:5.
Question 6:6.
Question 7:7.
Question 8:8.
3 · Missing number
Fill in the missing addend.
Question 9:9.
+7=9
Question 10:10.
1+=9
Question 11:11.
+13=17
Question 12:12.
1+=13
Question 13:13.
+8=14
Question 14:14.
2+=6
4 · Number lines
Write the marked number in the box.
Question 15:15.
0
5
Question 16:16.
5
10
Question 17:17.
0
10
Question 18:18.
10
20
Question 19:19.
0
20
Question 20:20.
0
20
MathApex
Answer key
The answers follow the same section and question numbering as the worksheet.
1 · Count quantities
Count and write the number in the box.
Question 1:1.
Counting5
Question 2:2.
Counting8
Question 3:3.
Counting15
Question 4:4.
Counting9
2 · Compare quantities
Write <, = or > in the box.
Question 5:5.
6 < 9<
Question 6:6.
12 > 10>
Question 7:7.
12 = 12=
Question 8:8.
5 < 6<
3 · Missing number
Fill in the missing addend.
Question 9:9.
2+7=92
Question 10:10.
1+8=98
Question 11:11.
4+13=174
Question 12:12.
1+12=1312
Question 13:13.
6+8=146
Question 14:14.
2+4=64
4 · Number lines
Write the marked number in the box.
Question 15:15.
Number Lines2
Question 16:16.
Number Lines9
Question 17:17.
Number Lines6
Question 18:18.
Number Lines18
Question 19:19.
Number Lines5
Question 20:20.
Number Lines6
MathApex√
Mixed Foundations within 20
Count, compare and find missing numbers. Finish by reading each marked number line.
Name: Date:
Work through the four sections in order.
1 · Count quantities
Count and write the number in the box.
Question 1:1.
Question 2:2.
Question 3:3.
Question 4:4.
2 · Compare quantities
Write <, = or > in the box.
Question 5:5.
Question 6:6.
Question 7:7.
Question 8:8.
3 · Missing number
Fill in the missing addend.
Question 9:9.
+6=7
Question 10:10.
3+=7
Question 11:11.
+13=16
Question 12:12.
4+=17
Question 13:13.
+12=20
Question 14:14.
1+=10
4 · Number lines
Write the marked number in the box.
Question 15:15.
0
5
Question 16:16.
5
10
Question 17:17.
0
10
Question 18:18.
10
20
Question 19:19.
0
20
Question 20:20.
0
20
MathApex
Answer key
The answers follow the same section and question numbering as the worksheet.
1 · Count quantities
Count and write the number in the box.
Question 1:1.
Counting11
Question 2:2.
Counting7
Question 3:3.
Counting5
Question 4:4.
Counting13
2 · Compare quantities
Write <, = or > in the box.
Question 5:5.
4 < 9<
Question 6:6.
11 > 6>
Question 7:7.
2 = 2=
Question 8:8.
8 < 10<
3 · Missing number
Fill in the missing addend.
Question 9:9.
1+6=71
Question 10:10.
3+4=74
Question 11:11.
3+13=163
Question 12:12.
4+13=1713
Question 13:13.
8+12=208
Question 14:14.
1+9=109
4 · Number lines
Write the marked number in the box.
Question 15:15.
Number Lines4
Question 16:16.
Number Lines6
Question 17:17.
Number Lines2
Question 18:18.
Number Lines16
Question 19:19.
Number Lines10
Question 20:20.
Number Lines8
MathApex√
Mixed Foundations within 20
Count, compare and find missing numbers. Finish by reading each marked number line.
Name: Date:
Work through the four sections in order.
1 · Count quantities
Count and write the number in the box.
Question 1:1.
Question 2:2.
Question 3:3.
Question 4:4.
2 · Compare quantities
Write <, = or > in the box.
Question 5:5.
Question 6:6.
Question 7:7.
Question 8:8.
3 · Missing number
Fill in the missing addend.
Question 9:9.
+3=6
Question 10:10.
1+=4
Question 11:11.
+11=19
Question 12:12.
4+=16
Question 13:13.
+7=14
Question 14:14.
7+=15
4 · Number lines
Write the marked number in the box.
Question 15:15.
0
5
Question 16:16.
5
10
Question 17:17.
0
10
Question 18:18.
10
20
Question 19:19.
0
20
Question 20:20.
0
20
MathApex
Answer key
The answers follow the same section and question numbering as the worksheet.
1 · Count quantities
Count and write the number in the box.
Question 1:1.
Counting13
Question 2:2.
Counting7
Question 3:3.
Counting5
Question 4:4.
Counting14
2 · Compare quantities
Write <, = or > in the box.
Question 5:5.
8 < 12<
Question 6:6.
9 > 6>
Question 7:7.
4 = 4=
Question 8:8.
5 < 6<
3 · Missing number
Fill in the missing addend.
Question 9:9.
3+3=63
Question 10:10.
1+3=43
Question 11:11.
8+11=198
Question 12:12.
4+12=1612
Question 13:13.
7+7=147
Question 14:14.
7+8=158
4 · Number lines
Write the marked number in the box.
Question 15:15.
Number Lines2
Question 16:16.
Number Lines6
Question 17:17.
Number Lines2
Question 18:18.
Number Lines16
Question 19:19.
Number Lines15
Question 20:20.
Number Lines8
MathApex√
Mixed Foundations within 20
Count, compare and find missing numbers. Finish by reading each marked number line.
Name: Date:
Work through the four sections in order.
1 · Count quantities
Count and write the number in the box.
Question 1:1.
Question 2:2.
Question 3:3.
Question 4:4.
2 · Compare quantities
Write <, = or > in the box.
Question 5:5.
Question 6:6.
Question 7:7.
Question 8:8.
3 · Missing number
Fill in the missing addend.
Question 9:9.
+3=4
Question 10:10.
2+=9
Question 11:11.
+10=12
Question 12:12.
2+=13
Question 13:13.
+6=12
Question 14:14.
6+=20
4 · Number lines
Write the marked number in the box.
Question 15:15.
0
5
Question 16:16.
5
10
Question 17:17.
0
10
Question 18:18.
10
20
Question 19:19.
0
20
Question 20:20.
0
20
MathApex
Answer key
The answers follow the same section and question numbering as the worksheet.
1 · Count quantities
Count and write the number in the box.
Question 1:1.
Counting5
Question 2:2.
Counting15
Question 3:3.
Counting4
Question 4:4.
Counting6
2 · Compare quantities
Write <, = or > in the box.
Question 5:5.
3 < 5<
Question 6:6.
10 > 7>
Question 7:7.
5 = 5=
Question 8:8.
3 < 7<
3 · Missing number
Fill in the missing addend.
Question 9:9.
1+3=41
Question 10:10.
2+7=97
Question 11:11.
2+10=122
Question 12:12.
2+11=1311
Question 13:13.
6+6=126
Question 14:14.
6+14=2014
4 · Number lines
Write the marked number in the box.
Question 15:15.
Number Lines3
Question 16:16.
Number Lines8
Question 17:17.
Number Lines6
Question 18:18.
Number Lines12
Question 19:19.
Number Lines10
Question 20:20.
Number Lines10
What is in this worksheet?
Each version has 20 questions in four sections: count quantities, compare quantities, find a missing addend, and read number lines. All questions stay within 20. The worksheet is designed for approximately 15 minutes of focused Grade 1 practice; Grade 1 is a suggested learning level, not a separate math topic.
Print and practise
Print the student page on A4 paper. Show the answer key before printing if you want a separate second page for checking. No registration or email address is needed. For ongoing interactive practice and feedback, explore the MathApex app.