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
5 × 10 = ______
20 + 20 = ______
29 + 10 = ______
86 − 10 = ______
9 × 10 = ______
6 × 10 = ______
58 + 10 = ______
79 + 20 = ______
39 − 10 = ______
88 + 10 = ______
65 − 10 = ______
14 + 20 = ______
46 − 10 = ______
36 − 10 = ______
70 + 10 = ______
8 × 10 = ______
1 × 10 = ______
7 × 10 = ______
47 − 10 = ______
59 + 10 = ______
