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
24 − 10 = ______
6 × 10 = ______
74 + 10 = ______
23 + 10 = ______
37 + 20 = ______
9 × 10 = ______
35 − 10 = ______
2 × 10 = ______
1 × 10 = ______
3 × 10 = ______
20 + 20 = ______
99 − 10 = ______
17 + 20 = ______
8 × 10 = ______
49 − 10 = ______
53 − 10 = ______
16 + 10 = ______
16 + 20 = ______
7 × 10 = ______
22 − 10 = ______
