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
23 − 10 = ______
71 − 10 = ______
46 − 10 = ______
67 + 10 = ______
87 + 10 = ______
33 + 10 = ______
7 × 10 = ______
6 × 10 = ______
75 − 10 = ______
62 + 10 = ______
29 + 10 = ______
5 × 10 = ______
2 × 10 = ______
90 − 10 = ______
82 + 10 = ______
70 + 10 = ______
4 × 10 = ______
33 − 10 = ______
64 + 20 = ______
16 + 10 = ______
