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 = ______
55 + 10 = ______
46 − 10 = ______
50 − 10 = ______
7 × 10 = ______
59 − 10 = ______
94 − 10 = ______
33 − 10 = ______
63 + 10 = ______
29 + 10 = ______
87 + 20 = ______
72 + 10 = ______
66 − 10 = ______
4 × 10 = ______
91 − 10 = ______
1 × 10 = ______
37 + 10 = ______
22 + 20 = ______
3 × 10 = ______
73 − 10 = ______
