Matemáticas mentales Worksheet
Recommended for 1er grado — 5to grado
Matemáticas mentales Worksheet
Name: ____________________Date: ____________
Instructions: Usar estrategias mentales como sumar diez, duplicar y compensar para calcular rápidamente.
20 problems
23 − 10 = ______
52 + 10 = ______
38 − 10 = ______
75 + 20 = ______
76 + 10 = ______
73 + 10 = ______
63 + 10 = ______
42 + 20 = ______
11 + 10 = ______
21 + 10 = ______
35 + 10 = ______
40 − 10 = ______
28 + 10 = ______
3 × 10 = ______
94 − 10 = ______
22 − 10 = ______
8 × 10 = ______
6 × 10 = ______
64 + 10 = ______
29 − 10 = ______
