Name:
#1. Draw a 16 cm line segment below.
Use purple blocks to measure the line segment.
How many purple blocks long is the segment? ______
Now use red blocks to measure the line segment.
How many red blocks long is the segment? ______
Finally, compare the tan/white blocks to the red blocks.
How many tan/white blocks long is each red block? ______
Without measuring, how many tan/white blocks do you think it will take to measure the line segment? ______
Use the tan/white blocks to measure the line segment to see if you’re correct.
What fraction of the line segment is the purple block? ____
How do you know?
What fraction of the line segment is the red block?____
How do you know?
What fraction of the line segment is the tan/white block? ____
How do you know?
PRIME Summer Institute 2010
Name:
#2. Draw a 9 cm line segment below.
Use dark blue blocks to measure the line segment.
How many dark blue blocks long is the segment? ______
Now use light green blocks to measure the line segment.
How many light green blocks long is the segment? ______
Finally, compare the tan/white blocks to the light green blocks.
How many tan/white blocks long is each light green block? ______
Without measuring, how many tan/white blocks do you think it will take to measure the line segment? ______
Use the tan/white blocks to measure the line segment to see if you’re correct.
What fraction of the line segment is the blue block? ____
How do you know?
What fraction of the line segment is the green block?____
How do you know?
What fraction of the line segment is the tan/white block? ____
How do you know?
Measuring Ruby with Biscuits
1. My dog Ruby’s head is the same length as the red strip.
a) Use the large biscuits to measure her head.
Ruby’s head is ______large biscuits long.
b) Now use the small biscuits to measure her head.
Ruby’s head is ______small biscuits long.
2. Ruby’s ears are the same length as the green strip.
a) Use the large biscuits to measure her ear.
Ruby’s ear is ______large biscuits long.
b) Now use the small biscuits to measure her ear.
Ruby’s ear is ______small biscuits long.
3. Ruby’s tail is the same length as the yellow strip.
a) Use the large biscuits to measure her tail.
Ruby’s tail is ______large biscuits long.
b) Now use the small biscuits to measure her tail.
Ruby’s tail is ______small biscuits long.
4. Ruby’s paw is the same length as the blue strip.
a) Use the large biscuits to measure her paw.
Ruby’s paw is ______large biscuits long.
b) Now use the small biscuits to measure her paw.
Ruby’s paw is ______small biscuits long.
Measuring Ruby with Rods
1. My dog Ruby’s paw is the same length as the blue strip.
a) Use the orange rods to measure her paw.
Ruby’s paw is ______orange rods long.
b) Now use the dark green rods to measure her paw.
Ruby’s paw is ______dark green rods long.
2. Ruby’s ears are the same length as the green strip.
a) Use the orange rods to measure her ear.
Ruby’s ear is ______orange rods long.
b) Now use the dark green rods to measure her ear.
Ruby’s ear is ______dark green rods long.
3. Ruby’s head is the same length as the red strip.
a) Use the orange rods to measure her head.
Ruby’s head is ______orange rods long.
b) Now use the dark green rods to measure her head.
Ruby’s head is ______dark green rods long.
4. Ruby’s tail is the same length as the yellow strip.
a) Use the orange rods to measure her tail.
Ruby’s tail is ______orange rods long.
b) Now use the dark green rods to measure her tail.
Ruby’s tail is ______dark green rods long.
PRIME Summer Institute 2010
Name:
PRIME Summer Institute 2010