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 = ______
36 − 10 = ______
66 − 10 = ______
74 − 10 = ______
4 × 10 = ______
24 + 10 = ______
53 + 20 = ______
51 + 10 = ______
67 − 10 = ______
23 − 10 = ______
5 × 10 = ______
64 + 20 = ______
73 − 10 = ______
13 + 20 = ______
69 + 10 = ______
23 + 10 = ______
80 − 10 = ______
30 + 20 = ______
28 + 10 = ______
18 + 20 = ______
