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
25 + 10 = ______
56 + 20 = ______
64 − 10 = ______
7 × 10 = ______
15 + 10 = ______
36 + 10 = ______
60 − 10 = ______
4 × 10 = ______
32 + 10 = ______
66 + 10 = ______
74 + 10 = ______
44 + 20 = ______
5 × 10 = ______
98 − 10 = ______
2 × 10 = ______
30 + 10 = ______
52 + 10 = ______
1 × 10 = ______
45 − 10 = ______
65 − 10 = ______
