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
2 × 10 = ______
8 × 10 = ______
36 − 10 = ______
30 + 10 = ______
28 − 10 = ______
50 + 10 = ______
9 × 10 = ______
65 − 10 = ______
96 − 10 = ______
87 + 10 = ______
83 + 20 = ______
59 − 10 = ______
59 + 20 = ______
64 − 10 = ______
1 × 10 = ______
32 − 10 = ______
32 + 20 = ______
88 − 10 = ______
5 × 10 = ______
3 × 10 = ______
