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
43 − 10 = ______
23 − 10 = ______
88 − 10 = ______
78 − 10 = ______
4 × 10 = ______
94 − 10 = ______
93 − 10 = ______
18 + 20 = ______
42 − 10 = ______
26 − 10 = ______
57 + 10 = ______
7 × 10 = ______
77 + 10 = ______
40 + 20 = ______
37 + 20 = ______
3 × 10 = ______
35 − 10 = ______
39 + 10 = ______
64 + 10 = ______
1 × 10 = ______
