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
28 − 10 = ______
3 × 10 = ______
57 + 10 = ______
11 + 20 = ______
78 − 10 = ______
5 × 10 = ______
71 + 10 = ______
21 − 10 = ______
83 − 10 = ______
82 − 10 = ______
80 − 10 = ______
60 + 20 = ______
60 − 10 = ______
7 × 10 = ______
12 + 10 = ______
8 × 10 = ______
88 + 10 = ______
24 + 20 = ______
61 − 10 = ______
48 + 10 = ______
