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
53 + 20 = ______
7 × 10 = ______
47 + 20 = ______
55 − 10 = ______
18 + 20 = ______
4 × 10 = ______
65 − 10 = ______
9 × 10 = ______
70 + 10 = ______
65 + 10 = ______
51 + 10 = ______
85 − 10 = ______
43 + 20 = ______
76 − 10 = ______
29 − 10 = ______
44 − 10 = ______
16 + 10 = ______
5 × 10 = ______
3 × 10 = ______
80 − 10 = ______
