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
3 × 10 = ______
15 + 20 = ______
8 × 10 = ______
2 × 10 = ______
26 + 20 = ______
72 + 20 = ______
33 − 10 = ______
74 + 10 = ______
59 + 20 = ______
9 × 10 = ______
68 + 10 = ______
83 − 10 = ______
78 − 10 = ______
72 − 10 = ______
1 × 10 = ______
14 + 20 = ______
66 − 10 = ______
39 − 10 = ______
73 − 10 = ______
87 + 20 = ______
