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
56 + 10 = ______
72 − 10 = ______
33 + 10 = ______
3 × 10 = ______
34 − 10 = ______
21 − 10 = ______
69 − 10 = ______
84 + 20 = ______
7 × 10 = ______
47 + 10 = ______
19 + 20 = ______
5 × 10 = ______
47 − 10 = ______
74 + 20 = ______
39 + 20 = ______
37 + 10 = ______
64 + 10 = ______
76 − 10 = ______
6 × 10 = ______
92 − 10 = ______
