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
43 + 10 = ______
6 × 10 = ______
8 × 10 = ______
40 − 10 = ______
2 × 10 = ______
61 + 10 = ______
66 + 10 = ______
64 − 10 = ______
30 + 10 = ______
86 − 10 = ______
4 × 10 = ______
87 + 10 = ______
25 − 10 = ______
55 + 10 = ______
51 + 10 = ______
9 × 10 = ______
84 − 10 = ______
89 + 10 = ______
37 − 10 = ______
51 + 20 = ______
