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 − 10 = ______
5 × 10 = ______
61 + 10 = ______
37 + 20 = ______
45 − 10 = ______
41 + 20 = ______
3 × 10 = ______
68 + 10 = ______
14 + 10 = ______
87 + 10 = ______
79 + 20 = ______
24 − 10 = ______
27 − 10 = ______
77 + 20 = ______
44 − 10 = ______
33 − 10 = ______
66 + 10 = ______
57 − 10 = ______
77 + 10 = ______
6 × 10 = ______
