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
86 − 10 = ______
35 + 20 = ______
6 × 10 = ______
24 + 10 = ______
87 + 10 = ______
13 + 10 = ______
3 × 10 = ______
42 + 10 = ______
49 + 20 = ______
41 + 10 = ______
66 − 10 = ______
22 − 10 = ______
35 − 10 = ______
2 × 10 = ______
66 + 10 = ______
37 − 10 = ______
98 − 10 = ______
55 + 20 = ______
42 − 10 = ______
21 + 10 = ______
