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
70 − 10 = ______
5 × 10 = ______
1 × 10 = ______
67 + 20 = ______
9 × 10 = ______
40 − 10 = ______
12 + 10 = ______
50 + 20 = ______
87 + 10 = ______
69 − 10 = ______
73 + 10 = ______
55 + 10 = ______
54 + 10 = ______
56 + 10 = ______
41 − 10 = ______
50 + 10 = ______
43 + 10 = ______
81 + 10 = ______
2 × 10 = ______
25 + 20 = ______
