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
56 + 20 = ______
71 − 10 = ______
6 × 10 = ______
43 + 20 = ______
24 + 10 = ______
70 − 10 = ______
9 × 10 = ______
21 + 10 = ______
43 − 10 = ______
2 × 10 = ______
38 + 20 = ______
25 + 10 = ______
82 + 20 = ______
4 × 10 = ______
7 × 10 = ______
60 + 10 = ______
99 − 10 = ______
38 + 10 = ______
54 − 10 = ______
78 − 10 = ______
