Module 2 Lessons 15 & 16 Add measurements once & twice using the standard algorithm to compose larger units.
______ = 1 L 200 ml = 1 L ______ = 1 L Metric Units 1 L = 1000 ml 800 ml + ______ = 1 L 500 ml ml ml = 1 L 250 ml = 1 L
500 g = _____ 500 g = 500 g 300 g = _____ Metric Units 1 Kg = 1000 g 1000 Kg g = _____ 1000 Kg g = 700 g 650 g = 350
Part-Whole with Metric Units There are 100 centimeters in 1 meter. How many centimeters are in 4 meters? 1 meter 100 Centimeters 400 centimeters There are 100 centimeters in 1 meter. How many centimeters are in 5 meters? 500 Centimeters There are 100 centimeters in 1 meter. How many centimeters are in 7 meters? 700 centimeters
Part-Whole With Time 30 minutes + _______ = 1 hour 1 hour = 60 minutes 30 Minutes
Part-Whole With Time 25 minutes + _______ = 1 hour 1 hour = 60 minutes 35 Minutes
Round 87 to the nearest
What is 73 rounded to the nearest 10? 70 Rounding
What is 77 rounded to the nearest 10? 80 Rounding
What is 127 rounded to the nearest 10? 130 Rounding
Use mental math to solve the following problems: 46 ml + 5 ml ml 39 cm + 8 cm cm 108 L + 4 L L
Beaker A 56 mL Beaker B 27 mL Represent the water from beaker A on the chart using place value disks. Now add the water from beaker B using place value disks.
Beaker A 56 mL
Beaker A 56 mL Beaker B 27 mL Now add the place value disks together to find the amount of water in both beakers. 83 mL
Use Your Place Value Chart to solve this problem: Lisa draws a line on the board. Mark erases 32 cm of the line. Now the line is 187 cm. How long was the line that Lisa drew?
Use Your Place Value Chart to solve this problem: Lisa draws a line on the board. Mark erases 32 cm of the line. Now the line is 187 cm. How long was the line that Lisa drew?
Use Your Place Value Chart to solve this problem: Lisa draws a line on the board. Mark erases 32 cm of the line. Now the line is 187 cm. How long was the line that Lisa drew? Use Your Place Value Chart to solve this problem: Lisa draws a line on the board. Mark erases 32 cm of the line. Now the line is 187 cm. How long was the line that Lisa drew?
Use Your Place Value Chart to solve this problem: Lisa draws a line on the board. Mark erases 32 cm of the line. Now the line is 187 cm. How long was the line that Lisa drew?
The line was 219 cm long.
Use Your Place Value Chart to solve this problem: John reads for 74 minute on Wednesday. On Thursday he reads for 17 minutes more than on Wednesday. How many total minutes does he read?
Use Your Place Value Chart to solve this problem: John reads for 74 minute on Wednesday. On Thursday he reads for 17 minutes more than on Wednesday. How many total minutes does he read?
Use Your Place Value Chart to solve this problem: John reads for 74 minute on Wednesday. On Thursday he reads for 17 minutes more than on Wednesday. How many total minutes does he read?
Use Your Place Value Chart to solve this problem: John reads for 74 minute on Wednesday. On Thursday he reads for 17 minutes more than on Wednesday. How many total minutes does he read?
Use Your Place Value Chart to solve this problem: John reads for 74 minute on Wednesday. On Thursday he reads for 17 minutes more than on Wednesday. How many total minutes does he read?
John read 165 minutes
The goldfish aquarium at Bob’s Pet Store holds 189 liters of water. The guppy aquarium has 94 more liters of water than the goldfish aquarium. How many liters of water are in both aquariums? What operation will we use to solve the problem? 189 liters + 94 liters liters Are we done? NO!
The goldfish aquarium at Bob’s Pet Store holds 189 liters of water. The guppy aquarium has 94 more liters of water than the goldfish aquarium. How many liters of water are in both aquariums? We just figured out that there are 283 liters of water in the guppy aquarium. Now we need to figure how many liters are in both aquariums. 189 liters liters liters Now are we done? Yes! The aquariums contain 472 l of water. Yes! The aquariums contain 472 l of water.
Now Show What YOU know! Problem Set!