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
4 × 10 = ______
88 − 10 = ______
60 − 10 = ______
84 − 10 = ______
34 + 10 = ______
58 + 10 = ______
66 − 10 = ______
67 − 10 = ______
7 × 10 = ______
80 + 10 = ______
6 × 10 = ______
12 + 20 = ______
2 × 10 = ______
3 × 10 = ______
40 − 10 = ______
77 + 20 = ______
49 + 20 = ______
62 + 20 = ______
89 + 10 = ______
41 + 10 = ______
