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
59 − 10 = ______
52 + 10 = ______
38 + 10 = ______
87 − 10 = ______
9 × 10 = ______
42 − 10 = ______
57 − 10 = ______
43 + 10 = ______
8 × 10 = ______
55 + 20 = ______
1 × 10 = ______
27 + 20 = ______
4 × 10 = ______
6 × 10 = ______
57 + 10 = ______
58 + 10 = ______
68 + 10 = ______
50 + 10 = ______
49 + 10 = ______
52 + 20 = ______
