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
77 + 20 = ______
5 × 10 = ______
88 + 10 = ______
69 − 10 = ______
26 + 20 = ______
93 − 10 = ______
2 × 10 = ______
65 + 20 = ______
11 + 10 = ______
85 + 20 = ______
56 − 10 = ______
75 + 20 = ______
22 + 10 = ______
58 − 10 = ______
54 − 10 = ______
7 × 10 = ______
73 + 20 = ______
4 × 10 = ______
29 − 10 = ______
61 − 10 = ______
