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
56 − 10 = ______
67 + 10 = ______
5 × 10 = ______
43 + 10 = ______
52 + 20 = ______
83 + 10 = ______
32 + 20 = ______
44 − 10 = ______
18 + 10 = ______
6 × 10 = ______
25 + 20 = ______
75 + 10 = ______
2 × 10 = ______
27 − 10 = ______
18 + 20 = ______
1 × 10 = ______
7 × 10 = ______
59 + 20 = ______
95 − 10 = ______
17 + 10 = ______
