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
55 − 10 = ______
50 − 10 = ______
24 + 10 = ______
56 − 10 = ______
21 + 10 = ______
22 + 20 = ______
4 × 10 = ______
80 + 10 = ______
65 + 10 = ______
71 − 10 = ______
48 − 10 = ______
8 × 10 = ______
9 × 10 = ______
34 − 10 = ______
27 + 10 = ______
39 + 20 = ______
19 + 20 = ______
67 + 10 = ______
7 × 10 = ______
64 + 10 = ______
