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
79 − 10 = ______
45 − 10 = ______
23 + 10 = ______
1 × 10 = ______
67 − 10 = ______
67 + 20 = ______
2 × 10 = ______
98 − 10 = ______
37 + 10 = ______
74 + 10 = ______
33 − 10 = ______
24 − 10 = ______
86 − 10 = ______
4 × 10 = ______
60 − 10 = ______
16 + 20 = ______
37 + 20 = ______
30 + 20 = ______
49 + 20 = ______
68 − 10 = ______
