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
12 + 10 = ______
6 × 10 = ______
86 + 20 = ______
22 + 20 = ______
13 + 10 = ______
88 − 10 = ______
35 − 10 = ______
60 − 10 = ______
21 + 10 = ______
47 + 20 = ______
86 − 10 = ______
18 + 20 = ______
93 − 10 = ______
5 × 10 = ______
27 + 10 = ______
57 + 20 = ______
70 − 10 = ______
3 × 10 = ______
56 + 10 = ______
45 − 10 = ______
