Level 1
Kira had a string which was 23 m long. She cut them into 6 identical smaller pieces. What was the length of each of the small piece of string? Give your answer in the simplest form.
Level 2
Adam has 200 cm of ribbon.
He uses 60 cm of ribbon.
He cuts the remaining ribbons of length of 10 cm each.
How many 10-cm pieces of ribbons are there?
Level 2
On the line not drawn to scale, the length of AB is 12 the length of BC and BC has the same length as CD. What is the ratio of the length of AD to the length of AB?
Level 2
On the line not drawn to scale, the length of AB is 12 the length of BC and BC has the same length as CD. What is the ratio of the length of AD to the length of AB?