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 = ______
96 − 10 = ______
23 + 20 = ______
68 + 20 = ______
58 + 20 = ______
89 + 10 = ______
1 × 10 = ______
37 + 10 = ______
7 × 10 = ______
86 + 20 = ______
6 × 10 = ______
3 × 10 = ______
72 + 20 = ______
11 + 10 = ______
87 + 10 = ______
28 + 20 = ______
82 − 10 = ______
5 × 10 = ______
71 − 10 = ______
4 × 10 = ______
