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
6 × 10 = ______
53 − 10 = ______
1 × 10 = ______
41 − 10 = ______
75 − 10 = ______
70 + 20 = ______
5 × 10 = ______
43 + 20 = ______
79 − 10 = ______
96 − 10 = ______
88 − 10 = ______
46 − 10 = ______
37 + 10 = ______
68 + 20 = ______
12 + 10 = ______
79 + 10 = ______
72 + 20 = ______
55 − 10 = ______
78 + 20 = ______
8 × 10 = ______
