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 = ______
2 × 10 = ______
8 × 10 = ______
84 − 10 = ______
73 + 20 = ______
1 × 10 = ______
62 + 20 = ______
50 + 20 = ______
95 − 10 = ______
14 + 10 = ______
4 × 10 = ______
65 − 10 = ______
19 + 10 = ______
80 + 10 = ______
51 + 10 = ______
24 − 10 = ______
29 + 20 = ______
37 − 10 = ______
5 × 10 = ______
53 + 10 = ______
