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
54 + 10 = ______
26 + 20 = ______
9 × 10 = ______
7 × 10 = ______
5 × 10 = ______
60 + 10 = ______
57 − 10 = ______
6 × 10 = ______
3 × 10 = ______
26 + 10 = ______
60 + 20 = ______
23 + 10 = ______
89 + 20 = ______
82 − 10 = ______
65 − 10 = ______
93 − 10 = ______
44 − 10 = ______
28 − 10 = ______
72 + 10 = ______
34 + 20 = ______
