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
1 × 10 = ______
21 − 10 = ______
2 × 10 = ______
98 − 10 = ______
62 + 20 = ______
52 − 10 = ______
97 − 10 = ______
8 × 10 = ______
18 + 20 = ______
32 + 10 = ______
3 × 10 = ______
86 − 10 = ______
19 + 20 = ______
99 − 10 = ______
57 − 10 = ______
69 + 10 = ______
96 − 10 = ______
58 + 10 = ______
33 + 10 = ______
9 × 10 = ______
