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WRITING EXPRESSIONS. Write the expression just like it is read. The only exception is Phrases with ‘than’ in which the numbers are reversed. LESSON 3.2.

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Presentation on theme: "WRITING EXPRESSIONS. Write the expression just like it is read. The only exception is Phrases with ‘than’ in which the numbers are reversed. LESSON 3.2."— Presentation transcript:

1 WRITING EXPRESSIONS

2 Write the expression just like it is read. The only exception is Phrases with ‘than’ in which the numbers are reversed. LESSON 3.2 RECALL Write the expression just like it is read. The only exception is Phrases with ‘than’ in which the numbers are reversed.

3 LESSON 3.2 RECALL First choose the order of the numbers Phrases with ‘than’ the numbers are reversed Phrases with ‘by’ the numbers are in right order Phrases with ‘and’ the numbers are in right order

4 LESSON 3.2 RECALL First choose the order of the numbers Phrases with ‘than’ the numbers are reversed Phrases with ‘by’ the numbers are in right order Phrases with ‘and’ the numbers are in right order Second choose the operation + – x ÷ more than less thanTwice as manyQuotient of greater than fewer thanTimesDivided by increased by decreased byProduct ofDivisible by The sum ofdifference of

5 LESSON 3.2 RECALL 6 more than a number first write n then 6next add the sign n + 6 10 decreased by 8 first write 10 then 8next add the sign10 - 8 The product of 5 and 10 first write 5 then 10next add the sign 5 x 10 The quotient of 6 and 2 first write 6 then 2next add the sign 6 ÷ 2

6 LESSON 3.2 RECALL 6 more than a number first write n then nnext add the sign n + 6 10 decreased by 8 first write 10 then 8next add the sign10 - 8 The product of 5 and 10 first write 5 then 10next add the sign 5 x 10 The quotient of 6 and 2 first write 6 then 2next add the sign 6 ÷ 2

7 LESSON 3.2 RECALL 6 more than a number first write n then 6next add the sign n + 6 10 decreased by 8 first write 10 then 8next add the sign10 - 8 The product of 5 and 10 first write 5 then 10next add the sign 5 x 10 The quotient of 6 and 2 first write 6 then 2next add the sign 6 ÷ 2

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9 LESSON 3.2 UNDERSTAND FIRST I WILL __write the Base number _____________________________ __________________________________________________________________ NEXT I WILL __ keep writing the Base number until I have the same__ number as the Power_______________________________ THEN I WILL __multiply the numbers together_______________________ ___________________________________________________________________

10 LESSON 3.2 UNDERSTAND FIRST I WILL __choose the order of numbers______________________ __________________________________________________________________ NEXT I WILL _ choose the operation_ keep _er until I have the same__ number as the Power_______________________________ THEN I WILL __multiply the numbers together_______________________ ___________________________________________________________________

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12 LESSON 3.2 APPLY How would you write 6 times a number greater than 8?

13 LESSON 3.2 APPLY reverse How would you write 6 times a number greater than 8? First write 8 then 6nnext add the sign 8 + 6n

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17 LESSON 3.2 ANALYZE Which expression is correct? The product of two and 6 times a number 2 + 6n The sum of three and five decreased by 7 5 + 3 + 7 8 more than a number minus 5 n + 8 - 5

18 LESSON 3.2 ANALYZE Which expression is correct? The product of two and 6 times a number 2 + 6n The NO! the correct expression is 2 x 6n 8 more than a number minus 5 n + 8 - 5

19 LESSON 3.2 ANALYZE Which expression is correct? The sum of three and five decreased by seven 5 - 3 + 7

20 LESSON 3.2 ANALYZE Which expression is correct? The sum of three and five decreased by seven 5 - 3 + 7 NO! The correct expression is 3 + 5 - 7

21 LESSON 3.2 ANALYZE Which expression is correct? 8 more than a number minus 5 n + 8 – 5

22 LESSON 3.2 ANALYZE Which expression is correct? 8 more than a number minus 5 n + 8 – 5 YES! n + 8 - 5

23 LESSON 3.2 EVALUATE If 3 represents a number, what would be the outcome for 4 times a number less than 20?2 5 = 2 x 2 x 2 x 2 x 2 = 32

24 LESSON 3.2 EVALUATE If 3 represents a number, what would be the outcome for 4 times a number less than 20? 20 – 4n 20 – 4(3) 20 – 12 = 32 8

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28 LESSON 3.2 CREATE Create an expression using the words decreased by where the outcome is equal to 32

29 LESSON 3.2 CREATE Create an expression using the words decreased by and one other phrase where the outcome is equal to 32 Possible solutions might be: 34 decreased by 5 plus 3 The product of 3 and |15| decreased by 13 6 squared decreased by 10 plus 6

30 LESSON 3.2 CREATE Create an expression using the words decreased by and one other phrase where the outcome is equal to 32 Possible solutions might be: 34 decreased by 5 plus 3 The product of 3 and |-15| decreased by 13 6 squared decreased by 10 plus 6

31 LESSON 3.2 CREATE Create an expression using the words decreased by and one other phrase where the outcome is equal to 32 Possible solutions might be: 34 decreased by 5 plus 3 The product of 3 and | –15| decreased by 13 6 squared decreased by 10 plus 6

32 Ok Let’s Practice

33 Let’s Practice 1. Write the expression 8 more than a number n + 8

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35 Let’s Practice 2. Write the expression The quotient of a number divided by 9 n ÷ 9 or n 5

36 Let’s Practice 2. Write the expression The quotient of a number divided by 9 n ÷ 9 or n 9

37 Let’s Practice 3. Write the expression A number minus 6 equals 12 n – 6 = 12

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39 Let’s Practice 4. Write the expression The product of 5 and y plus 3 is 33 5 x y + 3 = 33

40 Let’s Practice 4. Write the expression The product of 5 and y plus 3 is 33 5y + 3 = 33

41 Let’s Practice 5. Write the expression 6 less than the product of 8 and c 8c - 6

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43 Let’s Practice 6. Write the expression 18 more than 3 times m 3m + 18

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45 Let’s Practice 7. Write the expression The sum of 8 and 6 times y 8 + 6y

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47 Let’s Practice 8. Write the expression 4 more than 7 is 17 7 + 4 = 17

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49 Let’s Practice 9. Write the expression The product of 7 and a is 21 7a = 21

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51 Let’s Practice 10. Write the expression 8 less than a number divided by 5 n – 8 5

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53 GREAT JOB!!!


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