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
8 × 10 = ______
97 − 10 = ______
3 × 10 = ______
24 − 10 = ______
14 + 10 = ______
80 + 20 = ______
11 + 10 = ______
9 × 10 = ______
83 + 20 = ______
53 + 10 = ______
58 + 10 = ______
59 − 10 = ______
80 − 10 = ______
31 + 10 = ______
75 + 10 = ______
1 × 10 = ______
80 + 10 = ______
56 + 20 = ______
4 × 10 = ______
85 + 10 = ______
