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
75 − 10 = ______
1 × 10 = ______
70 − 10 = ______
2 × 10 = ______
75 + 20 = ______
9 × 10 = ______
82 − 10 = ______
60 − 10 = ______
84 + 20 = ______
13 + 10 = ______
48 − 10 = ______
5 × 10 = ______
44 + 10 = ______
50 − 10 = ______
3 × 10 = ______
79 + 20 = ______
23 + 10 = ______
58 + 10 = ______
87 − 10 = ______
94 − 10 = ______
