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 = ______
1 × 10 = ______
82 − 10 = ______
29 − 10 = ______
11 + 10 = ______
41 − 10 = ______
7 × 10 = ______
84 + 20 = ______
8 × 10 = ______
9 × 10 = ______
2 × 10 = ______
95 − 10 = ______
17 + 10 = ______
5 × 10 = ______
75 + 10 = ______
68 − 10 = ______
85 + 10 = ______
88 − 10 = ______
63 + 20 = ______
24 + 20 = ______
