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
95 − 10 = ______
9 × 10 = ______
5 × 10 = ______
12 + 10 = ______
92 − 10 = ______
6 × 10 = ______
83 + 10 = ______
29 + 20 = ______
44 + 10 = ______
87 − 10 = ______
11 + 20 = ______
29 − 10 = ______
44 − 10 = ______
1 × 10 = ______
74 + 10 = ______
21 + 20 = ______
84 + 10 = ______
15 + 10 = ______
83 + 20 = ______
48 − 10 = ______
