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
66 + 10 = ______
48 + 20 = ______
26 − 10 = ______
60 + 10 = ______
34 − 10 = ______
80 − 10 = ______
4 × 10 = ______
33 − 10 = ______
58 + 10 = ______
62 + 10 = ______
93 − 10 = ______
96 − 10 = ______
51 − 10 = ______
69 + 20 = ______
40 − 10 = ______
88 + 10 = ______
1 × 10 = ______
63 − 10 = ______
79 + 20 = ______
90 − 10 = ______
