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
42 − 10 = ______
60 + 10 = ______
4 × 10 = ______
26 + 10 = ______
3 × 10 = ______
80 − 10 = ______
24 + 20 = ______
88 + 10 = ______
45 + 20 = ______
71 + 10 = ______
87 + 20 = ______
75 + 20 = ______
7 × 10 = ______
82 − 10 = ______
41 + 20 = ______
46 + 10 = ______
1 × 10 = ______
34 − 10 = ______
25 − 10 = ______
84 + 10 = ______
