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 = ______
36 + 10 = ______
9 × 10 = ______
35 − 10 = ______
75 + 20 = ______
38 + 10 = ______
32 + 10 = ______
60 − 10 = ______
24 − 10 = ______
78 − 10 = ______
20 + 20 = ______
46 + 10 = ______
15 + 10 = ______
60 + 10 = ______
56 − 10 = ______
62 + 20 = ______
22 − 10 = ______
32 − 10 = ______
72 − 10 = ______
56 + 10 = ______
