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
4 × 10 = ______
68 − 10 = ______
64 − 10 = ______
85 + 10 = ______
56 + 10 = ______
45 − 10 = ______
74 + 20 = ______
79 − 10 = ______
85 − 10 = ______
41 − 10 = ______
39 + 20 = ______
88 − 10 = ______
2 × 10 = ______
33 − 10 = ______
3 × 10 = ______
40 − 10 = ______
33 + 10 = ______
1 × 10 = ______
65 + 10 = ______
49 + 10 = ______
