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
85 + 10 = ______
7 × 10 = ______
67 − 10 = ______
56 + 20 = ______
69 − 10 = ______
70 + 20 = ______
24 + 10 = ______
23 − 10 = ______
88 − 10 = ______
50 − 10 = ______
62 + 10 = ______
86 + 20 = ______
6 × 10 = ______
61 + 10 = ______
38 + 10 = ______
9 × 10 = ______
58 + 20 = ______
12 + 10 = ______
3 × 10 = ______
45 − 10 = ______
