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
19 + 10 = ______
15 + 20 = ______
70 − 10 = ______
40 + 10 = ______
83 + 20 = ______
30 − 10 = ______
3 × 10 = ______
80 − 10 = ______
9 × 10 = ______
90 − 10 = ______
49 + 10 = ______
2 × 10 = ______
36 − 10 = ______
59 + 10 = ______
6 × 10 = ______
78 + 20 = ______
34 + 10 = ______
4 × 10 = ______
46 + 20 = ______
59 − 10 = ______
