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 = ______
5 × 10 = ______
84 − 10 = ______
44 + 10 = ______
87 + 10 = ______
22 − 10 = ______
37 − 10 = ______
92 − 10 = ______
50 + 20 = ______
51 + 10 = ______
37 + 20 = ______
9 × 10 = ______
60 − 10 = ______
72 + 20 = ______
75 + 10 = ______
2 × 10 = ______
85 + 10 = ______
43 − 10 = ______
8 × 10 = ______
27 − 10 = ______
