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
38 − 10 = ______
25 + 20 = ______
2 × 10 = ______
86 + 20 = ______
40 − 10 = ______
60 − 10 = ______
44 − 10 = ______
9 × 10 = ______
3 × 10 = ______
6 × 10 = ______
42 + 10 = ______
11 + 10 = ______
53 − 10 = ______
93 − 10 = ______
39 + 10 = ______
43 + 10 = ______
94 − 10 = ______
25 − 10 = ______
66 + 20 = ______
49 − 10 = ______
