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
80 − 10 = ______
22 + 10 = ______
86 − 10 = ______
73 − 10 = ______
37 + 20 = ______
58 + 20 = ______
28 + 10 = ______
21 + 20 = ______
6 × 10 = ______
40 − 10 = ______
9 × 10 = ______
99 − 10 = ______
3 × 10 = ______
78 + 20 = ______
37 − 10 = ______
5 × 10 = ______
59 + 10 = ______
41 + 10 = ______
72 + 20 = ______
29 − 10 = ______
