2 3 subtract. (MAFS.3.NBT.1.2) - Weebly
Unit 10: Time, Length, Liquid Volume & Mass
MAFS.3.NBT.1.1, 1.2 MAFS.3.MD.1.1, 1.2 MAFS.3.MD.2.4
1
Target: Lesson 1:
I can round to the nearest ten and hundred and add and subtract within 1,000. I can round two- and three-digit numbers to the nearest ten and hundred. (MAFS.3.NBT.1.1)
Fill out the table by rounding the number in the first column.
Round to the nearest TEN
Round to the nearest HUNDRED
What do you notice about the numbers that are the SAME when they are rounded to the nearest ten and hundred?
883
893
896
903
905
Target: I can round to the nearest ten and hundred and add and subtract within 1,000.
2
Lesson 2: I can use different strategies to add. (MAFS.3.NBT.1.2)
3
Lesson 3: I can use different strategies to subtract. (MAFS.3.NBT.1.2)
Use two DIFFERENT strategies to add.
Use two DIFFERENT strategies to subtract.
Copyright ? 2016 by School District of Palm Beach County, Department of Secondary Education
Target:
I can solve problems involving liquid volume and mass. (MAFS.3.MD.1.2)
4
Lesson 4: I can estimate and measure liquid volume in liters (and milliliters).
5
Lesson 5: I can estimate and measure mass in grams and kilograms.
Name something that holds about... 3 milliliters
1 liter
Match the object to the appropriate unit of measure
The mass of a bowling ball The mass of a strawberry
Grams
The mass of a 3rd grader
Kilograms
40 liters
The mass of a pencil
500 milliliters
Match the amount to the appropriate unit of measure
The amount of water your bathtub holds
Milliliters
The amount of cough medicine you take
Liters
Name something that has a mass of about... 1 gram
1 kilogram 30
kilograms
6
Target: Lesson 6:
I can solve problems involving liquid volume and mass. I can read a scale to determine liquid volume or mass. (MAFS.3.MD.1.2)
About how many milliliters are in the beaker below?
What is the mass of the scissors?
Label each tick mark on the test tube above. Then mark where 45 mL would be.
Copyright ? 2016 by School District of Palm Beach County, Department of Secondary Education
7
Target: Lesson 7:
mL
I can solve problems involving liquid volume and mass. I can add or subtract to solve problems involving liquid volume or mass. (MAFS.3.MD.1.2)
The three graduated cylinders shown are filled partially with water. How many milliliters of water is there altogether?
8
Target: Lesson 8:
I can solve problems involving liquid volume and mass. I can add, subtract, multiply, or divide to solve problems involving liquid volume or mass. (MAFS.3.MD.1.2)
For a science experiment, Hannah needed some liquid soap. She only had the liquid soap in the
mL
graduated cylinder shown on the right. If she needed to do three trials for her experiment, how
much liquid soap could she use for each trial?
9
Target: Lesson 9:
I can tell time and find elapsed time. I can read, write, and tell time to the nearest minute. (MAFS.3.MD.1.1)
Write the time shown on the clock below in two different ways.
Show 23 minutes till 11 on the clock above. How else could you write this time?
Copyright ? 2016 by School District of Palm Beach County, Department of Secondary Education
10
Target: Lesson 10:
I can tell time and find elapsed time. I can use a number line or an analog clock to measure time intervals in minutes. (MAFS.3.MD.1.1)
How many minutes have elapsed between 11:49 a.m. and 12:37 p.m.?
11
Target: Lesson 11:
I can tell time and find elapsed time. I can use a number line to add or subtract time intervals to find starting or ending times. (MAFS.3.MD.1.1)
What is 82 minutes after 5:26 p.m.?
12
Target: Lesson 12:
I can tell time and find elapsed time. I can solve problems involving addition and subtraction of time intervals by using the strategy draw a diagram. (MAFS.3.MD.1.1)
Suzi wakes up at 6:03 a.m. She has to get all ready for school before she can watch TV. It takes her 45 minutes to get ready for school. If she doesn't have to leave for school until 7:15, how much extra time does Suzi have to watch TV?
Copyright ? 2016 by School District of Palm Beach County, Department of Secondary Education
13
Target: Lesson 13:
I can measure length and show lengths on a line plot. I can measure length to the nearest half or quarter inch and use measurement data to make a line plot. (MAFS.3.MD.2.4)
Six pencils are shown below. Measure each pencil to the nearest quarter inch, then plot the lengths on the line plot below.
Lengths of Pencils in inches
51 4
51 2
53 4
6 61 4
61 2
3 64
7
1 74
1 7
2
73 4
Copyright ? 2016 by School District of Palm Beach County, Department of Secondary Education
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