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
81 − 10 = ______
79 + 10 = ______
50 + 10 = ______
5 × 10 = ______
54 − 10 = ______
73 + 10 = ______
22 − 10 = ______
9 × 10 = ______
43 + 10 = ______
68 + 20 = ______
76 + 10 = ______
40 − 10 = ______
30 + 20 = ______
70 + 20 = ______
83 + 10 = ______
87 + 20 = ______
1 × 10 = ______
20 + 10 = ______
3 × 10 = ______
18 + 10 = ______
