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
95 − 10 = ______
44 + 20 = ______
6 × 10 = ______
76 − 10 = ______
87 + 20 = ______
46 + 10 = ______
62 − 10 = ______
68 + 20 = ______
63 + 10 = ______
57 − 10 = ______
27 − 10 = ______
30 − 10 = ______
3 × 10 = ______
2 × 10 = ______
84 + 10 = ______
37 − 10 = ______
70 + 20 = ______
86 + 20 = ______
82 + 10 = ______
32 + 20 = ______
