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
6 × 10 = ______
7 × 10 = ______
3 × 10 = ______
22 + 20 = ______
12 + 10 = ______
58 − 10 = ______
19 + 20 = ______
9 × 10 = ______
35 + 20 = ______
45 + 20 = ______
38 − 10 = ______
24 − 10 = ______
72 + 20 = ______
46 + 10 = ______
80 + 20 = ______
47 + 20 = ______
43 + 10 = ______
59 − 10 = ______
8 × 10 = ______
95 − 10 = ______
