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
46 + 20 = ______
60 − 10 = ______
16 + 10 = ______
71 + 10 = ______
50 + 10 = ______
74 + 20 = ______
6 × 10 = ______
7 × 10 = ______
76 + 20 = ______
24 + 10 = ______
45 + 10 = ______
38 − 10 = ______
20 + 20 = ______
8 × 10 = ______
92 − 10 = ______
25 + 10 = ______
1 × 10 = ______
3 × 10 = ______
82 + 10 = ______
41 − 10 = ______
