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
60 + 20 = ______
48 + 10 = ______
58 + 10 = ______
3 × 10 = ______
5 × 10 = ______
40 − 10 = ______
70 + 20 = ______
15 + 20 = ______
24 − 10 = ______
37 + 20 = ______
79 − 10 = ______
37 − 10 = ______
9 × 10 = ______
36 + 20 = ______
23 + 10 = ______
33 − 10 = ______
66 + 20 = ______
4 × 10 = ______
88 + 20 = ______
78 + 20 = ______
