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
1 × 10 = ______
26 − 10 = ______
17 + 20 = ______
9 × 10 = ______
78 − 10 = ______
24 + 10 = ______
7 × 10 = ______
3 × 10 = ______
44 − 10 = ______
67 + 10 = ______
27 − 10 = ______
87 + 20 = ______
58 + 10 = ______
14 + 10 = ______
6 × 10 = ______
81 + 20 = ______
85 + 20 = ______
70 + 10 = ______
54 + 20 = ______
2 × 10 = ______
