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
18 + 10 = ______
65 − 10 = ______
70 − 10 = ______
1 × 10 = ______
70 + 20 = ______
52 + 10 = ______
22 + 20 = ______
14 + 10 = ______
68 + 10 = ______
37 + 20 = ______
54 + 20 = ______
12 + 20 = ______
4 × 10 = ______
55 − 10 = ______
59 + 10 = ______
55 + 20 = ______
38 + 20 = ______
30 − 10 = ______
26 + 20 = ______
79 + 10 = ______
