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
45 + 10 = ______
24 − 10 = ______
9 × 10 = ______
73 + 10 = ______
2 × 10 = ______
1 × 10 = ______
55 + 10 = ______
77 + 10 = ______
43 + 10 = ______
51 + 10 = ______
36 + 10 = ______
52 − 10 = ______
83 + 10 = ______
33 + 10 = ______
52 + 20 = ______
76 + 10 = ______
4 × 10 = ______
27 − 10 = ______
78 − 10 = ______
7 × 10 = ______
