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 = ______
97 − 10 = ______
88 + 10 = ______
18 + 10 = ______
6 × 10 = ______
77 + 10 = ______
2 × 10 = ______
81 + 10 = ______
5 × 10 = ______
54 − 10 = ______
4 × 10 = ______
80 − 10 = ______
8 × 10 = ______
82 + 10 = ______
1 × 10 = ______
48 − 10 = ______
9 × 10 = ______
92 − 10 = ______
29 + 10 = ______
66 − 10 = ______
