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
4 × 10 = ______
72 + 10 = ______
41 − 10 = ______
73 + 20 = ______
92 − 10 = ______
2 × 10 = ______
27 + 20 = ______
6 × 10 = ______
43 + 20 = ______
72 − 10 = ______
73 + 10 = ______
24 − 10 = ______
1 × 10 = ______
61 + 10 = ______
9 × 10 = ______
52 − 10 = ______
59 + 10 = ______
69 − 10 = ______
70 + 10 = ______
65 − 10 = ______
