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
7 × 10 = ______
13 + 10 = ______
8 × 10 = ______
20 + 20 = ______
37 − 10 = ______
35 + 10 = ______
6 × 10 = ______
47 + 20 = ______
4 × 10 = ______
20 + 10 = ______
69 + 10 = ______
5 × 10 = ______
84 − 10 = ______
23 + 10 = ______
82 + 10 = ______
36 + 10 = ______
76 − 10 = ______
56 − 10 = ______
2 × 10 = ______
92 − 10 = ______
