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
87 − 10 = ______
2 × 10 = ______
61 + 20 = ______
58 + 20 = ______
94 − 10 = ______
59 + 20 = ______
40 − 10 = ______
62 + 10 = ______
58 − 10 = ______
5 × 10 = ______
49 + 20 = ______
82 + 10 = ______
1 × 10 = ______
53 + 10 = ______
77 − 10 = ______
86 − 10 = ______
48 − 10 = ______
36 + 10 = ______
12 + 10 = ______
18 + 20 = ______
