Worksheets

1st Grade Math Worksheets

Printable 1st grade math worksheets: addition and subtraction within 20, missing numbers, and word problems, with an answer key.

Printable 1st Grade Math Worksheet

A first-grade practice sheet covering addition and subtraction within 20, missing numbers, and simple word problems. The answer key prints separately.

Addition Within 20

#Problem
13 + 4 =
26 + 5 =
38 + 7 =
49 + 6 =
57 + 8 =
65 + 9 =

Subtraction Within 20

#Problem
710 - 4 =
815 - 7 =
912 - 5 =
1018 - 9 =
1114 - 6 =
1211 - 3 =

Missing Numbers

#Problem
135 + ___ = 10
14___ + 3 = 9
157 - ___ = 2
1610 + 5 =

Word Problems

#Problem
17Ann has 4 apples and gets 5 more. How many now?
18There are 8 birds; 3 fly away. How many are left?
19Tom has 6 red and 7 blue blocks. How many blocks?
20A box has 12 pens; 4 are taken. How many are left?

1st Grade Worksheet Answer Key

#Answer
17
211
315
415
515
614
76
88
97
109
118
128
135
146
155
1615
179
185
1913
208

Make More Worksheets

Generate fresh first-grade practice with the addition worksheet generator and the subtraction worksheet generator — set the numbers up to 10 or 20. When ready, move on to the 2nd grade math worksheets.