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
8 × 10 = ______
86 + 10 = ______
66 + 20 = ______
30 + 20 = ______
44 − 10 = ______
56 + 10 = ______
68 − 10 = ______
40 − 10 = ______
7 × 10 = ______
83 + 10 = ______
2 × 10 = ______
19 + 20 = ______
51 − 10 = ______
62 + 10 = ______
71 + 20 = ______
16 + 20 = ______
23 − 10 = ______
30 − 10 = ______
24 − 10 = ______
49 − 10 = ______
