Extension - EOG Estimation

Suppose you lined up one of each of the coins shown in the table on the right. About how many inches long would the line be?
1. 3 inches
2. 3 ¹/₂ inches
3. 4 inches
4. 4 ¹/₂
Suppose you made 2 lines. The first line is made of 4 quarters and the other line is 4 dimes. About how much longer will the line of quarters be?
1. 2 inches
2. 2 ¹/₂ inches
3. 3 inches
4. 3 ¹/₂
Suppose you made 2 lines. The first line is made of 2 nickels and 2 pennies. The other line is made from 3 quarters. Which line would be the longer?
1. 2 nickels and 2 pennies
2. 3 quarters
Mychayla, Katie and Zain were building rockets for the Rocket Club. Zain's rocket is 7 ⁵/₆ feet tall. Katie's rocket 5 ³/₈ feet tall and Mychayla's rocket was 6 ¹/₅ feet tall.
About how much taller was Zain's rocket than Katie's?
1. 2 ¹/₂ feet
2. 3 feet
3. 3 ¹/₂ feet
Mychayla, Katie and Zain were building rockets for the Rocket Club. Zain's rocket is 7 ⁵/₆ feet tall. Katie's rocket 5 ³/₈ feet tall and Mychayla's rocket was 6 ¹/₅ feet tall.
About what is the combined length of all three rockets?
1. 19 ¹/₂ feet
2. 20 feet
3. 20 ¹/₂ feet