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
24 + 10 = ______
4 × 10 = ______
7 × 10 = ______
19 + 20 = ______
20 + 10 = ______
64 − 10 = ______
3 × 10 = ______
92 − 10 = ______
74 + 20 = ______
47 + 20 = ______
71 + 20 = ______
53 + 20 = ______
6 × 10 = ______
66 + 20 = ______
96 − 10 = ______
95 − 10 = ______
99 − 10 = ______
74 + 10 = ______
82 + 10 = ______
39 + 10 = ______
