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
3 × 10 = ______
69 + 10 = ______
8 × 10 = ______
64 + 10 = ______
93 − 10 = ______
50 + 20 = ______
24 + 10 = ______
26 + 10 = ______
69 + 20 = ______
64 − 10 = ______
94 − 10 = ______
27 − 10 = ______
80 + 20 = ______
60 + 20 = ______
56 + 20 = ______
1 × 10 = ______
44 − 10 = ______
59 − 10 = ______
85 + 10 = ______
82 + 20 = ______
