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 = ______
5 × 10 = ______
79 + 20 = ______
43 − 10 = ______
2 × 10 = ______
54 + 20 = ______
93 − 10 = ______
16 + 20 = ______
56 + 20 = ______
26 + 10 = ______
23 − 10 = ______
61 + 20 = ______
73 + 20 = ______
85 − 10 = ______
25 − 10 = ______
21 − 10 = ______
33 − 10 = ______
7 × 10 = ______
27 + 10 = ______
27 + 20 = ______
