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
44 + 10 = ______
73 + 10 = ______
28 + 20 = ______
5 × 10 = ______
87 − 10 = ______
79 + 10 = ______
33 + 10 = ______
14 + 10 = ______
1 × 10 = ______
52 + 20 = ______
22 − 10 = ______
51 − 10 = ______
82 + 20 = ______
3 × 10 = ______
48 + 10 = ______
27 − 10 = ______
91 − 10 = ______
14 + 20 = ______
59 + 20 = ______
50 − 10 = ______
