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 = ______
9 × 10 = ______
62 + 20 = ______
59 + 20 = ______
5 × 10 = ______
44 + 10 = ______
7 × 10 = ______
46 + 20 = ______
26 − 10 = ______
82 + 10 = ______
12 + 10 = ______
96 − 10 = ______
95 − 10 = ______
60 + 10 = ______
6 × 10 = ______
1 × 10 = ______
50 + 10 = ______
32 + 10 = ______
74 + 20 = ______
3 × 10 = ______
