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
2 × 10 = ______
4 × 10 = ______
9 × 10 = ______
3 × 10 = ______
74 + 20 = ______
86 − 10 = ______
21 − 10 = ______
96 − 10 = ______
25 + 20 = ______
77 + 10 = ______
66 + 10 = ______
44 + 20 = ______
88 − 10 = ______
64 − 10 = ______
12 + 20 = ______
39 + 20 = ______
1 × 10 = ______
87 − 10 = ______
69 + 10 = ______
89 + 20 = ______
