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
44 − 10 = ______
74 − 10 = ______
72 + 20 = ______
6 × 10 = ______
47 − 10 = ______
79 − 10 = ______
92 − 10 = ______
3 × 10 = ______
84 − 10 = ______
60 + 10 = ______
70 + 10 = ______
21 + 10 = ______
75 + 20 = ______
78 + 20 = ______
41 + 20 = ______
1 × 10 = ______
43 − 10 = ______
40 + 10 = ______
43 + 10 = ______
78 + 10 = ______
