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
92 − 10 = ______
5 × 10 = ______
13 + 20 = ______
3 × 10 = ______
52 + 10 = ______
6 × 10 = ______
9 × 10 = ______
67 + 20 = ______
50 − 10 = ______
48 + 20 = ______
2 × 10 = ______
65 + 10 = ______
63 − 10 = ______
43 + 20 = ______
87 − 10 = ______
31 + 10 = ______
80 + 10 = ______
90 − 10 = ______
78 + 20 = ______
74 + 10 = ______
