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
42 + 20 = ______
45 + 10 = ______
1 × 10 = ______
5 × 10 = ______
26 + 20 = ______
22 + 10 = ______
3 × 10 = ______
82 + 10 = ______
8 × 10 = ______
2 × 10 = ______
28 − 10 = ______
88 + 10 = ______
34 − 10 = ______
60 + 10 = ______
81 + 10 = ______
9 × 10 = ______
61 − 10 = ______
58 − 10 = ______
73 − 10 = ______
43 + 10 = ______
