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
83 − 10 = ______
9 × 10 = ______
18 + 20 = ______
6 × 10 = ______
41 + 10 = ______
66 + 10 = ______
89 + 10 = ______
86 − 10 = ______
47 + 10 = ______
89 − 10 = ______
58 + 10 = ______
1 × 10 = ______
62 + 20 = ______
28 + 20 = ______
5 × 10 = ______
88 + 20 = ______
7 × 10 = ______
51 + 10 = ______
2 × 10 = ______
91 − 10 = ______
