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
17 + 10 = ______
5 × 10 = ______
45 + 10 = ______
37 + 10 = ______
55 − 10 = ______
19 + 10 = ______
78 + 20 = ______
99 − 10 = ______
59 + 20 = ______
8 × 10 = ______
9 × 10 = ______
4 × 10 = ______
26 + 10 = ______
22 + 10 = ______
66 − 10 = ______
3 × 10 = ______
85 + 20 = ______
33 + 10 = ______
76 + 10 = ______
63 + 20 = ______
