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
14 + 20 = ______
5 × 10 = ______
80 + 20 = ______
69 + 10 = ______
58 + 10 = ______
64 − 10 = ______
4 × 10 = ______
48 + 20 = ______
9 × 10 = ______
3 × 10 = ______
17 + 10 = ______
61 − 10 = ______
68 + 10 = ______
1 × 10 = ______
11 + 10 = ______
27 + 20 = ______
59 − 10 = ______
80 − 10 = ______
60 − 10 = ______
29 + 20 = ______
