Mental Math Worksheet
Recommended for 1st Grade — 5th Grade
Mental Math Worksheet
Name: ____________________Date: ____________
Instructions: Using mental strategies like making ten, doubling, and compensation to compute quickly.
20 problems
15 + 10 = ______
68 + 20 = ______
1 × 10 = ______
4 × 10 = ______
5 × 10 = ______
85 + 20 = ______
52 − 10 = ______
59 − 10 = ______
28 + 10 = ______
57 + 20 = ______
66 + 10 = ______
28 + 20 = ______
43 − 10 = ______
33 + 10 = ______
3 × 10 = ______
6 × 10 = ______
88 + 10 = ______
35 + 20 = ______
97 − 10 = ______
40 − 10 = ______
