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
52 + 20 = ______
6 × 10 = ______
9 × 10 = ______
3 × 10 = ______
71 − 10 = ______
96 − 10 = ______
13 + 10 = ______
40 + 10 = ______
16 + 10 = ______
25 + 20 = ______
75 − 10 = ______
88 − 10 = ______
58 + 10 = ______
61 − 10 = ______
70 − 10 = ______
79 − 10 = ______
54 + 10 = ______
23 + 10 = ______
70 + 20 = ______
38 + 20 = ______
