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 = ______
36 + 10 = ______
64 + 20 = ______
24 − 10 = ______
6 × 10 = ______
89 + 10 = ______
70 − 10 = ______
3 × 10 = ______
45 + 10 = ______
11 + 10 = ______
74 − 10 = ______
96 − 10 = ______
34 − 10 = ______
24 + 20 = ______
83 + 10 = ______
73 − 10 = ______
70 + 10 = ______
70 + 20 = ______
55 − 10 = ______
2 × 10 = ______
