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
5 × 10 = ______
51 + 10 = ______
81 − 10 = ______
29 + 10 = ______
2 × 10 = ______
8 × 10 = ______
67 + 20 = ______
9 × 10 = ______
99 − 10 = ______
76 + 10 = ______
82 + 10 = ______
71 − 10 = ______
15 + 10 = ______
47 + 10 = ______
64 + 10 = ______
33 − 10 = ______
13 + 10 = ______
82 − 10 = ______
45 − 10 = ______
60 + 10 = ______
