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
37 + 20 = ______
60 − 10 = ______
63 − 10 = ______
39 + 10 = ______
27 − 10 = ______
86 + 10 = ______
64 − 10 = ______
63 + 10 = ______
63 + 20 = ______
23 + 20 = ______
68 + 10 = ______
73 + 10 = ______
6 × 10 = ______
58 − 10 = ______
2 × 10 = ______
66 + 10 = ______
62 + 20 = ______
5 × 10 = ______
94 − 10 = ______
7 × 10 = ______
