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
88 + 10 = ______
26 + 10 = ______
22 − 10 = ______
78 + 10 = ______
8 × 10 = ______
24 − 10 = ______
5 × 10 = ______
73 + 10 = ______
14 + 20 = ______
65 + 20 = ______
41 − 10 = ______
74 + 10 = ______
45 − 10 = ______
18 + 10 = ______
81 + 10 = ______
45 + 20 = ______
88 + 20 = ______
2 × 10 = ______
12 + 20 = ______
75 − 10 = ______
