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
27 − 10 = ______
8 × 10 = ______
1 × 10 = ______
91 − 10 = ______
5 × 10 = ______
38 − 10 = ______
95 − 10 = ______
7 × 10 = ______
21 + 10 = ______
6 × 10 = ______
85 − 10 = ______
4 × 10 = ______
59 + 10 = ______
11 + 10 = ______
72 + 20 = ______
23 − 10 = ______
87 − 10 = ______
33 + 20 = ______
90 − 10 = ______
19 + 10 = ______
