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
89 − 10 = ______
27 + 10 = ______
5 × 10 = ______
50 + 20 = ______
39 − 10 = ______
80 + 10 = ______
26 − 10 = ______
22 + 10 = ______
9 × 10 = ______
31 + 20 = ______
58 − 10 = ______
86 + 20 = ______
3 × 10 = ______
55 + 10 = ______
29 + 10 = ______
56 + 10 = ______
41 + 20 = ______
41 − 10 = ______
90 − 10 = ______
45 + 20 = ______
