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
69 + 10 = ______
7 × 10 = ______
72 − 10 = ______
9 × 10 = ______
55 + 20 = ______
30 − 10 = ______
42 − 10 = ______
3 × 10 = ______
73 + 10 = ______
50 + 20 = ______
37 − 10 = ______
43 + 20 = ______
79 + 20 = ______
12 + 10 = ______
25 + 10 = ______
60 + 20 = ______
4 × 10 = ______
74 + 20 = ______
32 − 10 = ______
74 − 10 = ______
