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
7 × 10 = ______
73 + 20 = ______
8 × 10 = ______
93 − 10 = ______
9 × 10 = ______
60 + 20 = ______
3 × 10 = ______
24 + 10 = ______
34 − 10 = ______
58 + 10 = ______
30 + 20 = ______
1 × 10 = ______
6 × 10 = ______
87 + 10 = ______
32 + 10 = ______
71 + 10 = ______
68 − 10 = ______
85 + 10 = ______
84 − 10 = ______
5 × 10 = ______
