Grade 5 Module 1 Lesson 13. Find the Product. 4 x 3 = (Say the multiplication sentence in unit form). Find the Product. 4 x 3 = (Say the multiplication sentence in unit form) 4 x 3 ones = 12 ones. Find the Product. 4 x 0.2 = (Say the multiplication sentence in unit form).
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Grade 5 Module 1 Lesson 13
4 x 3 =
(Say the multiplication sentence in unit form)
4 x 3 =
(Say the multiplication sentence in unit form)
4 x 3 ones = 12 ones
4 x 0.2 =
(Say the multiplication sentence in unit form)
4 x 0.2 =
(Say the multiplication sentence in unit form)
4 x 2 tenths = 8 tenths
4 x 3.2 =
(Say the multiplication sentence in unit form)
4 x 3.2 =
(Say the multiplication sentence in unit form)
4 x 3 ones 2 tenths = 12.8
Write the multiplication sentence
4 x 3.2 =
(Say the multiplication sentence in unit form)
4 x 3 ones 2 tenths = 12.8
Write the multiplication sentence
4 x 3.2 = 12.8
13.78 ___ 13.86
(On your personal white boards, compare the numbers using the greater than, less than, or equal sign.)
13.78 ___ 13.86
(On your personal white boards, compare the numbers using the greater than, less than, or equal sign.)
13.78 < 13.86
0.78 ___ 78/100
(On your personal white boards, compare the numbers using the greater than, less than, or equal sign.)
0.78 ___ 78/100
(On your personal white boards, compare the numbers using the greater than, less than, or equal sign.)
0.78 = 78/100
439.3 ___ 4.39
(On your personal white boards, compare the numbers using the greater than, less than, or equal sign.)
439.3 ___ 4.39
(On your personal white boards, compare the numbers using the greater than, less than, or equal sign.)
439.3 > 4.39
5.08 ___ fifty-eight tenths
(On your personal white boards, compare the numbers using the greater than, less than, or equal sign.)
5.08 ___ fifty-eight tenths
(On your personal white boards, compare the numbers using the greater than, less than, or equal sign.)
5.08 < fifty-eight tenths
5.08 ___ fifty-eight tenths
(On your personal white boards, compare the numbers using the greater than, less than, or equal sign.)
5.08 < fifty-eight tenths
Because fifty-eight tenths = 5 and 8 tenths (5.8). Remember that 10 tenths = 1 one (or 1 whole), so 50 tenths = 5 ones (or 5 wholes)
Louis buys 4 chocolates. Each chocolate costs $2.35. Louis multiplies 4 x 235 and gets 940. Place the decimal to show the cost of chocolates and explain your reasoning using words, numbers, and pictures
0.9 Ã· 3 =
Show 9 tenths with your disks
0.9 Ã· 3 =
Show 9 tenths with your disks
Divide 9 tenths into 3 equal groups.
How many tenths are in each group?
0.9 Ã· 3 =
Show 9 tenths with your disks
Divide 9 tenths into 3 equal groups.
How many tenths are in each group?
There are 3 tenths in each group.
0.9 Ã· 3 = 0.3
(Read the number sentence using unit form.)
0.9 Ã· 3 = 0.3
(Read the number sentence using unit form.)
9 tenths divided by 3 equals 3 tenths.
How does unit form help us divide?
9 tenths divided by 3 equals 3 tenths.
How does unit form help us divide?
When we identify the units, then itâ€™s just like dividing 9 apples into 3 groups. If you know what unit you are sharing, then itâ€™s just like whole number division. You can just think about the basic fact.
3 groups of __________ = 0.9
(What is the missing number in our equation?
3 groups of __________ = 0.9
(What is the missing number in our equation?
3 tenths (0.3)
Show 24 hundredths with your disks
Show 24 hundredths with your disks
Divide 24 hundredths into 3 equal groups.
How many hundredths are in each group?
Show 24 hundredths with your disks
Divide 24 hundredths into 3 equal groups.
How many hundredths are in each group?
There are 8 hundredths in each group.
0.24 Ã· 3 = 0.08
(Read the number sentence using unit form.)
0.24 Ã· 3 = 0.08
(Read the number sentence using unit form.)
24 hundredths divided by 3 equals 8 hundredths
How does unit form help us divide?
24 hundredths divided by 3 equals 8 hundredths.
How does unit form help us divide?
When we identify the units, then itâ€™s just like dividing 24 apples into 3 groups. If you know what unit you are sharing, then itâ€™s just like whole number division. You can just think about the basic fact.
3 groups of ________ = 0.24
(What is the missing number in our equation?)
3 groups of ________ = 0.24
(What is the missing number in our equation?)
8 hundredths (0.08)
1.5 Ã· 5 = _____
(Read the equation using unit form.)
1.5 Ã· 5 = _____
(Read the equation using unit form.)
One and 5 tenths divided by 5
Or
15 tenths divided by 5
What is useful about reading the decimal as 15 tenths?
1.5 Ã· 5 = _____
(Read the equation using unit form.)
One and 5 tenths divided by 5
Or
15 tenths divided by 5
What is useful about reading the decimal as 15 tenths?
When you say the unit, itâ€™s like basic math.
What is 15 tenths divided by 5?
What is 15 tenths divided by 5?
3 tenths
What is 15 tenths divided by 5?
3 tenths
1.5 Ã· 5 = 0.3
1.05 Ã· 5 = ______
(Read the equation using unit form.)
1.05 Ã· 5 = ______
(Read the equation using unit form.)
105 hundredths divided by 5
1.05 Ã· 5 = ______
(Read the equation using unit form.)
105 hundredths divided by 5
Is there another way to decompose this quantity (1.05)?
Is there another way to decompose this quantity (1.05)?
1 one and 5 hundredths
10 tenths and 5 hundredths
105 hundredths divided by 5 (original)
Is there another way to decompose this quantity (1.05)?
1 one and 5 hundredths
10 tenths and 5 hundredths
105 hundredths divided by 5 (original)
Which way of naming 1.05 is most useful when dividing by 5? Why? (Turn and talk. Then solve)
1 one and 5 hundredths
10 tenths and 5 hundredths
105 hundredths divided by 5 (original)
Which way of naming 1.05 is most useful when dividing by 5? Why? (Turn and talk. Then solve)
10 tenths and 5 hundredths because they are both multiples of 5. This makes it easy to use basic facts and divide mentally.
1 one and 5 hundredths
10 tenths and 5 hundredths
105 hundredths divided by 5 (original)
Which way of naming 1.05 is most useful when dividing by 5? Why? (Turn and talk. Then solve)
10 tenths and 5 hundredths because they are both multiples of 5. This makes it easy to use basic facts and divide mentally. The answer is 2 tenths and 1 hundredth.
1 one and 5 hundredths
10 tenths and 5 hundredths
105 hundredths divided by 5 (original)
Which way of naming 1.05 is most useful when dividing by 5? Why? (Turn and talk. Then solve)
105 hundredths is easier for me because I know 100 is 20 fives so 105 is 1 more, or 21. 21 hundredths.
1 one and 5 hundredths
10 tenths and 5 hundredths
105 hundredths divided by 5 (original)
Which way of naming 1.05 is most useful when dividing by 5? Why? (Turn and talk. Then solve)
I just used the algorithm from Grade 4 and got 21 and knew it was hundredths.
10 minutes to solve, trying your personal best to complete the problem set.