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
97 − 10 = ______
6 × 10 = ______
48 + 10 = ______
2 × 10 = ______
17 + 20 = ______
68 − 10 = ______
69 − 10 = ______
93 − 10 = ______
47 − 10 = ______
41 + 20 = ______
22 + 10 = ______
84 + 20 = ______
92 − 10 = ______
38 − 10 = ______
15 + 10 = ______
57 + 20 = ______
63 − 10 = ______
52 + 10 = ______
18 + 10 = ______
8 × 10 = ______
