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
5 × 10 = ______
78 + 20 = ______
9 × 10 = ______
30 − 10 = ______
63 + 10 = ______
60 + 10 = ______
93 − 10 = ______
3 × 10 = ______
80 − 10 = ______
2 × 10 = ______
28 − 10 = ______
65 + 20 = ______
88 + 10 = ______
67 + 20 = ______
6 × 10 = ______
34 + 10 = ______
73 − 10 = ______
4 × 10 = ______
45 − 10 = ______
27 + 20 = ______
