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 = ______
62 + 10 = ______
48 − 10 = ______
56 + 10 = ______
48 + 20 = ______
94 − 10 = ______
44 + 10 = ______
37 + 20 = ______
79 + 10 = ______
4 × 10 = ______
81 + 20 = ______
9 × 10 = ______
77 + 10 = ______
43 + 20 = ______
1 × 10 = ______
65 − 10 = ______
93 − 10 = ______
20 + 10 = ______
6 × 10 = ______
22 + 20 = ______
