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
61 + 10 = ______
9 × 10 = ______
46 − 10 = ______
8 × 10 = ______
36 + 20 = ______
24 + 10 = ______
2 × 10 = ______
26 + 10 = ______
59 + 10 = ______
35 − 10 = ______
84 − 10 = ______
4 × 10 = ______
82 + 10 = ______
98 − 10 = ______
72 − 10 = ______
28 + 20 = ______
71 + 10 = ______
73 − 10 = ______
42 − 10 = ______
54 + 10 = ______
