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
53 − 10 = ______
44 − 10 = ______
20 + 10 = ______
33 − 10 = ______
66 − 10 = ______
70 + 20 = ______
13 + 20 = ______
9 × 10 = ______
65 − 10 = ______
3 × 10 = ______
29 + 20 = ______
2 × 10 = ______
69 + 20 = ______
97 − 10 = ______
83 + 20 = ______
36 + 20 = ______
51 − 10 = ______
51 + 10 = ______
53 + 10 = ______
55 + 10 = ______
