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
1 × 10 = ______
8 × 10 = ______
2 × 10 = ______
65 − 10 = ______
84 + 10 = ______
61 − 10 = ______
5 × 10 = ______
9 × 10 = ______
80 + 20 = ______
61 + 10 = ______
32 + 10 = ______
3 × 10 = ______
72 + 10 = ______
49 − 10 = ______
39 + 10 = ______
80 + 10 = ______
58 − 10 = ______
76 + 20 = ______
19 + 10 = ______
88 − 10 = ______
