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
54 + 10 = ______
8 × 10 = ______
73 − 10 = ______
17 + 20 = ______
65 + 20 = ______
72 − 10 = ______
58 + 20 = ______
82 + 20 = ______
85 − 10 = ______
35 + 10 = ______
83 − 10 = ______
31 + 20 = ______
28 − 10 = ______
74 − 10 = ______
9 × 10 = ______
50 + 20 = ______
55 − 10 = ______
12 + 20 = ______
82 + 10 = ______
32 + 10 = ______
