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
48 + 10 = ______
55 + 20 = ______
56 + 10 = ______
33 + 10 = ______
36 + 10 = ______
51 + 20 = ______
86 + 10 = ______
41 + 20 = ______
31 + 20 = ______
8 × 10 = ______
62 − 10 = ______
82 − 10 = ______
6 × 10 = ______
31 + 10 = ______
92 − 10 = ______
3 × 10 = ______
98 − 10 = ______
4 × 10 = ______
1 × 10 = ______
2 × 10 = ______
