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
1 × 10 = ______
6 × 10 = ______
46 + 20 = ______
51 + 10 = ______
78 + 10 = ______
8 × 10 = ______
5 × 10 = ______
58 − 10 = ______
58 + 20 = ______
12 + 10 = ______
85 − 10 = ______
88 + 10 = ______
23 + 10 = ______
61 + 10 = ______
9 × 10 = ______
2 × 10 = ______
40 + 20 = ______
87 + 10 = ______
47 + 10 = ______
26 + 20 = ______
