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
56 − 10 = ______
8 × 10 = ______
63 + 20 = ______
31 − 10 = ______
61 − 10 = ______
81 + 10 = ______
7 × 10 = ______
71 − 10 = ______
15 + 20 = ______
83 + 20 = ______
72 − 10 = ______
73 + 10 = ______
37 − 10 = ______
34 + 20 = ______
58 + 10 = ______
45 + 10 = ______
65 + 20 = ______
27 + 10 = ______
48 + 10 = ______
59 + 20 = ______
