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
35 + 10 = ______
64 − 10 = ______
68 + 10 = ______
4 × 10 = ______
91 − 10 = ______
68 + 20 = ______
51 + 20 = ______
76 − 10 = ______
8 × 10 = ______
79 + 10 = ______
73 − 10 = ______
5 × 10 = ______
9 × 10 = ______
35 − 10 = ______
34 + 10 = ______
15 + 10 = ______
93 − 10 = ______
47 + 20 = ______
31 − 10 = ______
22 + 10 = ______
