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
47 − 10 = ______
91 − 10 = ______
36 + 20 = ______
96 − 10 = ______
81 − 10 = ______
5 × 10 = ______
72 + 10 = ______
7 × 10 = ______
59 + 20 = ______
81 + 20 = ______
75 + 10 = ______
27 + 20 = ______
48 − 10 = ______
30 − 10 = ______
1 × 10 = ______
43 + 10 = ______
84 + 10 = ______
14 + 10 = ______
2 × 10 = ______
42 + 10 = ______
