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
60 − 10 = ______
6 × 10 = ______
4 × 10 = ______
46 + 10 = ______
85 + 20 = ______
22 + 20 = ______
77 − 10 = ______
85 − 10 = ______
72 + 10 = ______
8 × 10 = ______
40 + 20 = ______
79 − 10 = ______
76 − 10 = ______
3 × 10 = ______
11 + 20 = ______
55 + 10 = ______
41 + 10 = ______
47 + 10 = ______
98 − 10 = ______
50 + 10 = ______
