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
55 − 10 = ______
2 × 10 = ______
93 − 10 = ______
8 × 10 = ______
6 × 10 = ______
81 + 10 = ______
82 − 10 = ______
63 + 20 = ______
59 − 10 = ______
69 + 10 = ______
5 × 10 = ______
33 − 10 = ______
54 − 10 = ______
65 − 10 = ______
63 − 10 = ______
36 + 20 = ______
9 × 10 = ______
19 + 10 = ______
3 × 10 = ______
65 + 20 = ______
