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
94 − 10 = ______
66 + 10 = ______
55 − 10 = ______
76 + 20 = ______
7 × 10 = ______
41 + 10 = ______
43 + 10 = ______
60 + 20 = ______
5 × 10 = ______
74 + 20 = ______
49 − 10 = ______
8 × 10 = ______
31 − 10 = ______
6 × 10 = ______
15 + 20 = ______
24 − 10 = ______
75 + 10 = ______
37 + 20 = ______
36 + 10 = ______
44 + 20 = ______
