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
31 − 10 = ______
55 + 10 = ______
4 × 10 = ______
68 + 10 = ______
54 + 10 = ______
72 + 10 = ______
74 − 10 = ______
6 × 10 = ______
30 + 20 = ______
62 + 10 = ______
16 + 10 = ______
45 + 20 = ______
7 × 10 = ______
9 × 10 = ______
95 − 10 = ______
1 × 10 = ______
3 × 10 = ______
30 − 10 = ______
40 − 10 = ______
2 × 10 = ______
