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# Math Grade 4 - PowerPoint PPT Presentation

Math Grade 4. Mrs. Ennis Simple Division Lesson Thirteen. 453 + 8971 + 36 = (3 x 3) + 8 = 57,048 – 49,892 = 324 ÷ 3 = 6 x ? = 18 How many faces on a cube? 6 quarts = _______gallons. What is the value of the 3 in 435,089?

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Presentation Transcript

Mrs. Ennis

Simple Division

Lesson Thirteen

453 + 8971 + 36 =

(3 x 3) + 8 =

57,048 – 49,892 =

324 ÷ 3 =

6 x ? = 18

How many faces on a cube?

6 quarts = _______gallons

What is the value of the 3 in 435,089?

Brad likes to climb trees. On Monday he climbed 6 more trees than on Tuesday. On Tuesday he climbed 5 trees. On Wednesday he climbed 7 fewer trees than on Monday. How many trees did he climb on Wednesday?

10. The oil drillers drilled 18 meters in the first well but did not find oil. They drilled 6 more meters and found oil. To reach oil in the second well they had to drill twice as deep. How far did they drill the second well?

Vocabulary
• dividend - the number you are dividing
• divisor- the number you are dividing by
• quotient - the evenly divided result
• remainder - what is left over that cannot be evenly divided
• divisable- can be divided by evenly

136 is the dividend

27 is the quotient

5 is the divisor

1 is the remainder

When we write the problem like this:136 ÷5 = 27 r 1

1 is the remainder

r 1

27

5, the divisor, moves to here

27, the quotient,stays here

5

136

136, the dividend, moves here

When writing it like this:

### Multiplication and Division are opposites:

See the Family of Facts:

4 x 3 = 12

3 x 4 = 12

12 ÷ 4 = 3

12 ÷ 3 = 4

Fact Family for 8, 2,16:

2 x 8 = 16

8 x 2 = 16

16 ÷ 2 = 8

16 ÷ 8 = 2

Fact Family for 5, 4, 20:

4 x 5 = 20

5 x 4 = 20

20 ÷ 4 = 5

20 ÷ 5 = 4

Fact Family for 6, 4, 24:

4 x 6 = 24

6 x 4 = 24

24 ÷ 4 = 6

24 ÷ 6 = 4

Multiplication means groups of

Division means share into groups

3 x 2 means 3 groups of 2

6 ÷ 3 means 6 shared into 3 groups

Division means share into groups

12 ÷ 3 means 12 shared into 3 groups

Division means share into groups

12 ÷ 3 means 12 shared into 3 groups

12 ÷ 3 = 4

16 ÷ 4 = 4

16 ÷ 4 means 16 shared into 4 groups

Jim, Joe and Mark are sharing a pizza that is cut into 9 slices. How many slices will each person get if they split it evenly?

9 ÷ 3 =

Mark Joe Jim

Jim, Joe and Mark are sharing a pizza that is cut into 9 slices. How many slices will each person get if they split it evenly?

9 ÷ 3 = 3

Mark Joe Jim

Kasi and Kim earned \$16 cutting the grass for their father? If they divided the money equally, how much did each girl earn?

16 ÷ 2 =

Kasi Kim

Kasi and Kim earned \$16 cutting the grass for their father? If they divided the money equally, how much did each girl earn?

16 ÷ 2 = 8

Kasi Kim

• Remainders occur when a number cannot be divided equally into groups and the will be items left over.

2

r 3

5

13

Sometimes you can use mental math. It pays to memorize your

multiplication facts!

• You can also use long division, but this takes longer.

6

r 3

4

27

-24

3

• Let’s try another.

8

r 3

5

43

-40

3

• Let’s try another.

8

r 4

7

60

-56

4

Kasi and Kim earned \$18 cutting the grass for their father? If they divided the money equally, how much did each girl earn?

17 ÷ 2 =

Kasi Kim

Kasi and Kim earned \$17 cutting the grass for their father? If they divided the money equally, how much did each girl earn?

17 ÷ 2 = 8 r 1

Kasi Kim

Jim, Joe and Mark are sharing a pizza that is cut into 11 slices. How many slices will each person get if they split it evenly?

11 ÷ 3 =

Mark Joe Jim

Jim, Joe and Mark are sharing a pizza that is cut into 11 slices. How many slices will each person get if they split it evenly?

11 ÷ 3 = 3 r2

Mark Joe Jim

Online Practice

http://www.kidsnumbers.com/sunny-bunny-division.php

Review Lesson
• Click above to watch a short video review all that we have learned.
• Choose the Introduction to Division video.
Resources:
• http://mathlearnnc.sharpschool.com/UserFiles/Servers/Server_4507209/File/Instructional%20Resources/G4WW1-4.pdf