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
24 − 10 = ______
43 − 10 = ______
54 + 10 = ______
44 + 10 = ______
51 + 20 = ______
25 + 10 = ______
47 + 10 = ______
66 + 10 = ______
8 × 10 = ______
54 + 20 = ______
81 − 10 = ______
71 − 10 = ______
6 × 10 = ______
64 + 20 = ______
9 × 10 = ______
1 × 10 = ______
2 × 10 = ______
98 − 10 = ______
59 + 10 = ______
30 + 20 = ______
