Addition and subtraction · Within 20 · Set 3

Primary 1 Math20 questionsNo calculatorQuick practice

20 quick sums within 20, including missing numbers and adding three numbers.

Name: ______________________ Date: ____________ Score: ______ / 20

12 + 5 + 6 =
28 + 8 + 1 =
37 + 8 + 4 =
44 + 4 + 6 =
515 − 7 =
610 − 7 =
719 − 15 =
818 − ___ = 7
913 + 6 =
106 − 2 =
1116 − ___ = 12
1210 − ___ = 6
1318 − ___ = 3
14___ + 7 = 12
15___ + 4 = 15
16___ + 5 = 16
1712 + 1 =
18___ + 12 = 17
192 + 10 =
206 + 1 =

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Next: 2-digit numbers, no renaming · Set 1 →