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
4 × 10 = ______
95 − 10 = ______
1 × 10 = ______
9 × 10 = ______
36 + 20 = ______
40 + 10 = ______
76 + 10 = ______
82 + 10 = ______
34 − 10 = ______
60 + 20 = ______
73 + 10 = ______
3 × 10 = ______
53 − 10 = ______
61 + 10 = ______
68 + 10 = ______
25 − 10 = ______
2 × 10 = ______
11 + 20 = ______
75 + 20 = ______
15 + 20 = ______
