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
36 − 10 = ______
3 × 10 = ______
6 × 10 = ______
31 + 10 = ______
24 − 10 = ______
4 × 10 = ______
23 + 20 = ______
66 + 10 = ______
7 × 10 = ______
5 × 10 = ______
97 − 10 = ______
9 × 10 = ______
95 − 10 = ______
79 + 20 = ______
8 × 10 = ______
79 + 10 = ______
51 + 20 = ______
15 + 20 = ______
21 + 10 = ______
62 + 10 = ______
