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
16 + 10 = ______
23 + 10 = ______
57 − 10 = ______
51 − 10 = ______
79 + 20 = ______
28 + 20 = ______
2 × 10 = ______
49 + 10 = ______
32 − 10 = ______
14 + 20 = ______
75 + 20 = ______
45 + 10 = ______
45 + 20 = ______
1 × 10 = ______
78 − 10 = ______
69 − 10 = ______
50 + 20 = ______
55 − 10 = ______
75 − 10 = ______
86 + 10 = ______
