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
98 − 10 = ______
75 + 10 = ______
37 + 10 = ______
3 × 10 = ______
94 − 10 = ______
64 + 20 = ______
1 × 10 = ______
84 + 20 = ______
56 − 10 = ______
49 + 20 = ______
34 − 10 = ______
43 + 10 = ______
18 + 10 = ______
4 × 10 = ______
6 × 10 = ______
67 − 10 = ______
82 + 10 = ______
49 − 10 = ______
62 − 10 = ______
14 + 20 = ______
