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
50 − 10 = ______
55 − 10 = ______
8 × 10 = ______
77 + 20 = ______
73 + 10 = ______
7 × 10 = ______
38 − 10 = ______
26 + 20 = ______
1 × 10 = ______
4 × 10 = ______
2 × 10 = ______
61 − 10 = ______
85 + 20 = ______
88 + 20 = ______
27 − 10 = ______
62 − 10 = ______
6 × 10 = ______
58 − 10 = ______
67 − 10 = ______
9 × 10 = ______
