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 = ______
9 × 10 = ______
87 + 10 = ______
70 + 10 = ______
50 + 20 = ______
63 − 10 = ______
3 × 10 = ______
2 × 10 = ______
21 + 10 = ______
23 + 10 = ______
69 − 10 = ______
88 + 10 = ______
8 × 10 = ______
67 − 10 = ______
60 + 20 = ______
26 + 20 = ______
60 − 10 = ______
76 − 10 = ______
40 + 20 = ______
74 + 10 = ______
