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
78 − 10 = ______
81 − 10 = ______
55 − 10 = ______
85 + 10 = ______
83 − 10 = ______
50 − 10 = ______
94 − 10 = ______
6 × 10 = ______
5 × 10 = ______
58 + 10 = ______
63 + 10 = ______
11 + 10 = ______
12 + 10 = ______
34 + 10 = ______
28 + 20 = ______
86 + 20 = ______
9 × 10 = ______
44 − 10 = ______
69 + 20 = ______
38 + 20 = ______
