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 = ______
76 − 10 = ______
22 − 10 = ______
29 − 10 = ______
18 + 20 = ______
30 + 10 = ______
78 − 10 = ______
20 + 20 = ______
27 − 10 = ______
32 − 10 = ______
4 × 10 = ______
7 × 10 = ______
48 + 10 = ______
82 − 10 = ______
89 − 10 = ______
3 × 10 = ______
1 × 10 = ______
74 − 10 = ______
9 × 10 = ______
52 + 10 = ______
