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
7 × 10 = ______
51 + 10 = ______
24 + 20 = ______
91 − 10 = ______
36 − 10 = ______
26 + 10 = ______
64 + 20 = ______
6 × 10 = ______
12 + 10 = ______
28 + 10 = ______
23 + 10 = ______
15 + 10 = ______
85 + 20 = ______
59 + 10 = ______
1 × 10 = ______
2 × 10 = ______
45 − 10 = ______
70 + 20 = ______
56 + 10 = ______
74 + 20 = ______
