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
48 + 10 = ______
67 − 10 = ______
82 − 10 = ______
58 + 10 = ______
8 × 10 = ______
9 × 10 = ______
46 + 20 = ______
42 − 10 = ______
5 × 10 = ______
58 − 10 = ______
1 × 10 = ______
24 + 20 = ______
7 × 10 = ______
49 − 10 = ______
83 + 20 = ______
55 + 10 = ______
52 + 10 = ______
64 + 20 = ______
89 − 10 = ______
35 − 10 = ______
