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
5 × 10 = ______
40 − 10 = ______
44 + 20 = ______
18 + 10 = ______
59 + 10 = ______
79 − 10 = ______
77 + 20 = ______
86 + 20 = ______
43 + 20 = ______
36 − 10 = ______
2 × 10 = ______
30 + 20 = ______
71 − 10 = ______
52 − 10 = ______
16 + 10 = ______
42 + 20 = ______
8 × 10 = ______
26 + 20 = ______
74 − 10 = ______
33 − 10 = ______
