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 = ______
3 × 10 = ______
59 + 20 = ______
82 + 10 = ______
74 + 10 = ______
32 + 10 = ______
20 + 20 = ______
78 − 10 = ______
92 − 10 = ______
52 + 20 = ______
2 × 10 = ______
84 − 10 = ______
77 + 10 = ______
73 − 10 = ______
87 − 10 = ______
58 + 10 = ______
77 + 20 = ______
54 − 10 = ______
94 − 10 = ______
24 + 20 = ______
