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
47 − 10 = ______
1 × 10 = ______
7 × 10 = ______
62 + 10 = ______
56 + 20 = ______
5 × 10 = ______
45 + 20 = ______
8 × 10 = ______
75 + 20 = ______
4 × 10 = ______
25 + 10 = ______
70 + 20 = ______
3 × 10 = ______
72 + 10 = ______
93 − 10 = ______
44 − 10 = ______
88 − 10 = ______
90 − 10 = ______
41 + 10 = ______
27 + 10 = ______
