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
45 + 10 = ______
55 + 20 = ______
36 + 20 = ______
5 × 10 = ______
68 − 10 = ______
22 + 10 = ______
26 + 10 = ______
20 + 20 = ______
31 − 10 = ______
32 + 20 = ______
60 − 10 = ______
53 + 10 = ______
6 × 10 = ______
50 + 20 = ______
95 − 10 = ______
48 − 10 = ______
73 − 10 = ______
9 × 10 = ______
46 + 10 = ______
32 + 10 = ______
