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
21 − 10 = ______
19 + 10 = ______
19 + 20 = ______
26 + 10 = ______
52 + 10 = ______
98 − 10 = ______
88 − 10 = ______
52 − 10 = ______
86 + 10 = ______
49 − 10 = ______
18 + 20 = ______
24 + 20 = ______
5 × 10 = ______
53 + 10 = ______
22 − 10 = ______
50 + 10 = ______
87 − 10 = ______
36 + 10 = ______
12 + 10 = ______
24 + 10 = ______
