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 = ______
89 + 10 = ______
3 × 10 = ______
23 + 10 = ______
93 − 10 = ______
16 + 20 = ______
24 − 10 = ______
74 + 20 = ______
96 − 10 = ______
73 − 10 = ______
79 + 20 = ______
26 + 10 = ______
75 + 10 = ______
18 + 20 = ______
28 − 10 = ______
45 − 10 = ______
8 × 10 = ______
74 − 10 = ______
72 + 10 = ______
31 + 20 = ______
