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
30 − 10 = ______
73 + 20 = ______
52 − 10 = ______
38 + 20 = ______
64 + 20 = ______
61 + 20 = ______
4 × 10 = ______
36 + 10 = ______
66 + 20 = ______
43 + 10 = ______
8 × 10 = ______
77 − 10 = ______
39 − 10 = ______
32 − 10 = ______
85 + 20 = ______
44 − 10 = ______
85 + 10 = ______
78 − 10 = ______
3 × 10 = ______
82 + 10 = ______
