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
67 − 10 = ______
73 + 10 = ______
44 + 10 = ______
47 − 10 = ______
9 × 10 = ______
48 − 10 = ______
53 + 10 = ______
45 + 20 = ______
1 × 10 = ______
34 − 10 = ______
74 + 10 = ______
7 × 10 = ______
98 − 10 = ______
43 − 10 = ______
71 + 20 = ______
8 × 10 = ______
76 − 10 = ______
37 + 20 = ______
27 + 20 = ______
2 × 10 = ______
