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
5 × 10 = ______
46 + 10 = ______
9 × 10 = ______
6 × 10 = ______
27 + 10 = ______
71 + 10 = ______
69 + 10 = ______
78 + 10 = ______
57 − 10 = ______
40 + 10 = ______
60 + 20 = ______
80 − 10 = ______
34 + 20 = ______
63 + 20 = ______
44 + 10 = ______
54 + 10 = ______
59 − 10 = ______
28 − 10 = ______
51 − 10 = ______
27 − 10 = ______
