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
79 + 20 = ______
15 + 10 = ______
40 − 10 = ______
9 × 10 = ______
2 × 10 = ______
44 − 10 = ______
76 − 10 = ______
60 + 10 = ______
60 − 10 = ______
5 × 10 = ______
28 + 10 = ______
50 + 20 = ______
7 × 10 = ______
38 − 10 = ______
49 + 10 = ______
86 − 10 = ______
60 + 20 = ______
67 − 10 = ______
22 − 10 = ______
25 + 20 = ______
