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
6 × 10 = ______
93 − 10 = ______
52 − 10 = ______
89 + 10 = ______
45 − 10 = ______
73 + 20 = ______
42 − 10 = ______
9 × 10 = ______
5 × 10 = ______
2 × 10 = ______
70 − 10 = ______
84 − 10 = ______
74 + 20 = ______
20 + 10 = ______
64 + 10 = ______
67 + 10 = ______
4 × 10 = ______
32 − 10 = ______
82 − 10 = ______
1 × 10 = ______
