We included HMH Into Math Grade 2 Answer Key PDF Module 19 Lesson 3 Estimate Lengths Using Meters to make students experts in learning maths.
HMH Into Math Grade 2 Module 19 Lesson 3 Answer Key Estimate Lengths Using Meters
I Can estimate the length of an object in meters.
Spark Your Learning
Find three objects in your classroom.
An item with a shorter length than the string: ___________
An item with the same length as the string: ___________
An item with a longer length than the string: ____________
Melissa compares the length of a string to different objects in the classroom. Some objects have a shorter length than the string, some are the same length as the string, and some have a longer length than the string. Provide each group of children a string that measures 1 meter. This is the length of the string that Melissa uses. Explore the classroom to find one item from each category.
Choose the items like Bench, Table and black board
An item with a shorter length than the string: Bench
An item with the same length as the string: Table
An item with a longer length than the string: Black Board
The bench is shorter than the string
The table is equal to the length of the string
and The black board is longer than the string.
Dom has a meter stick that is the same length as Melissa’s string. Dom uses the length of the meter stick to help him estimate lengths of items in meters.
How can you use a meter stick to estimate the lengths of different items?
A. Look at a meter stick. About how many meter sticks do you think would be needed to match the length of a bookcase?
Connect to Vocabulary
meter stick has a length of 1 meter meter the same as 100 centimeters
1 meter = 100 centimeters
B. About how many meter sticks do you think would be needed to match the length of a rug?
The rug is 3 meters long.
Turn and Talk How many centimeters are in 2 meters? Explain how you know.
1 meter = 100 centimeters
2 meters = 200 centimeters
2 x 1 = 2
Step It Out
Use a meter stick to estimate the length of classroom objects.
A. Find a big table in a classroom. About how many meter sticks would be needed to match the length of the table?
about __________ meter sticks
It would take 3 meter sticks to match the length of the table
B. Estimate the length of the table ¡n meters.
about __________ meters
The length of the table is 3 meters long.
C. Find an item in your classroom that you would estimate has a length of about 1 meter.
___________ is about 1 meter long.
The black board is 1 meter long.
Turn and Talk Why is knowing the length of a meter stick helpful when estimating lengths in meters?
A meter stick is 1 meter long that is 100 centimeters
Find the real object. Estimate its length in meters.
Jackson estimates the length of a bulletin board. About how long ¡s a bulletin board?
about _________ meters
Jackson estimates the length of a bulletin board.
The bulletin board is 2 meters long.
About how long is the length of a door?
about __________ meter
The length of the door is around 3 meters
On Your Own
Use Structure Which is the best estimate for the length of a bench?
The bench in the park is around 3 meters long.
Open-Ended Tia estimates that the distance from her desk to the teacher’s desk is either 4 centimeters or 4 meters. Think about these estimates. What do you notice?
4 centimeters is the very shortest distance that we cannot make a step
so, it is 4 meters
Find a classroom object that you would estimate has a length of about 2 meters. Draw and label the object.
The window in the class room is around 1 meter.
I’m in a Learning Mindset!
How do I make sure I’m not distracting others when I’m working?