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Select the algebraic expression(s) to represent the word problem(s).

1. Adam bought t marbles. Colin bought 13 marbles less than Adam. How many marbles did Colin buy? • t + 13
• t − 13 • 13
• 13 − t Answer:Answer:t − 13

Marbles Adam bought = t Marbles Colin bought = t − 13
'13 less than t' is equivalent to 't − 13' in symbols.

2. Michelle bought f pencils. Stacy bought 5 pencils more than Michelle. How many pencils did Stacy buy? • f − 5
• f + 5 • 5
• 5 − f Answer:Answer:f + 5

Pencils Michelle bought = f Pencils Stacy bought = f + 5
'5 more than f' is equivalent to 'f + 5' in symbols.

3. Michelle lost 7 marbles. She had g marbles. How many marbles does Michelle have now? • g + 7
• g − 7 • 7
• 7 − g Answer:Answer:g − 7

Marbles Michelle had = g Marbles Michelle lost = 7
Marbles Michelle has now = g − 7
'lost 7 from g' is equivalent to 'g − 7' in symbols.

4. Adam borrowed 11 golf balls from Colin. Colin had d golf balls. How many golf balls does Colin have now? • d + 11
• d − 11 • 11
• 11 − d Answer:Answer:d − 11

Golf balls Colin had = d Golf balls Adam borrowed = 11
Golf balls Colin has now = d − 11
'borrowed 11 from d' is equivalent to 'd − 11' in symbols.

5. Michelle scored 8 extra credit points than Colin. Colin scored h credit points. How many credit points did Michelle score? • 8 − h • h • h − 8
• h + 8 Answer:Answer:h + 8

Points Stacy scored = h Points Michelle scored = h + 8
'8 extra than h' is equivalent to 'h + 8' in symbols.

6. Adam scored 11 fewer credit points than Colin. Colin scored p credit points. How many credit points did Adam score? • p + 11
• p − 11 • 11
• 11 − p Answer:Answer:p − 11

Points Colin scored = p Points Adam scored = p − 11
'11 fewer than p' is equivalent to 'p − 11' in symbols.

7. There were 26 dolls in a box. k dolls were taken away. How many dolls are left in the box now? • 26 − k • k + 26
• 26
• k − 26
Answer:Answer:26 − k

Dolls in a box = 26
Dolls taken away = k Dolls left = 26 − k 'k taken away from 26' is equivalent to '26 − k' in symbols.

8. There were 11 dolls in a box. h new dolls were added to the box. How many dolls are present in the box now? • 11 + h • 11 − h • 11
• h − 11
Answer:Answer:11 + h

Dolls in a box = 11
Dolls added = h Dolls present now = 11 + h 'added h to 11' is equivalent to '11 + h' in symbols.

9. There are 17 big boxes and x small boxes. What is the total number of boxes? • 17 − x • 17
• 17 + x • x − 17
Answer:Answer:17 + x

Big boxes = 17
Small boxes = x Total boxes = 17 + x 'total of 17 and x' is equivalent to '17 + x' in symbols.

10. Adam has y red jelly beans and 12 blue jelly beans. What is the total number of jelly beans? • y − 12
• y + 12 • 12
• 12 − y Answer:Answer:y + 12

Red jelly beans = y Blue jelly beans = 12
Total jelly beans = y +12
'total of y and 12' is equivalent to 'y +12' in symbols.

11. Michelle ate t more cookies than Colin. Colin ate 4 cookies. How many cookies did Michelle eat? • t + 4 • t − 4
• t • 4 − t Answer:Answer:t + 4

Cookies Stacy ate = 4
Cookies Michelle ate = t + 4
't more than 4' is equivalent to 't + 4' in symbols.

12. Michelle ate 6 fewer cookies than Stacy. Stacy ate k cookies. How many cookies did Michelle eat? • 6 − k • k − 6 • k • k + 6
Answer:Answer:k − 6

Cookies Stacy ate = k Cookies Michelle ate = k − 6
'6 fewer than k' is equivalent to 'k − 6' in symbols.

13. Michelle is 6 years younger than her sister. Michelle's sister is b years old. What is Michelle's age? • 6 − b • 6 • b − 6 • b + 6
Answer:Answer:b − 6

Michelle's sister's age = b Michelle age = b − 6
'6 years younger than b' is equivalent to 'b − 6' in symbols.

14. Adam is j years younger than his sister. Adam's sister is 16 years old. What is Adam's age? • j − 16
• j • 16 − j • j + 16
Answer:Answer:16 − j

Adam's sister's age = 16
Adam age = 16 − j 'j years younger than 16' is equivalent to '16 − j' in symbols.

15. Adam's brother is r years older than him. Adam is 27 years old. What is Adam's brother's age? • r − 27
• r • 27 − r • 27 + r Answer:Answer:27 + r

Adam's age = r Adam's brother's age = 27 + r 'r years older than 27' is equivalent to '27 + r' in symbols.

16. Adam and Stacy painted f pictures each. Kevin painted 11 pictures more than Adam. How many pictures did Kevin paint? • f − 11
• 11
• 11 − f • f + 11 Answer:Answer:f + 11

Pictures Adam painted = f Pictures Kevin painted = f +11
'11 more than f' is equivalent to 'f + 11' in symbols.

17. There are 32 toy cars in a store. d toy cars are sold. How many toy cars are left in the store? • d − 32
• 32 − d • d • 32 + d Answer:Answer:32 − d

Toy cars in a store = 32
Toy cars sold =d Toy cars left =32 − d 'sold d from 32' is equivalent to '32 − d' in symbols.

18. Michelle had 12 books. Colin gave her g more books. Michelle then bought 3 new books. What is the total number of books Michelle has? • g + 12
• g + 3
• g + 15 • g − 15
Answer:Answer:g + 15

Books Michelle had = 12
Books Stacy gave Michelle = g Books Michelle bought = 3
Total books Michelle has = g + 12 + 3 = g + 15
'total of g and 12 and 3' is equivalent to ' g + 15' in symbols.

19. Adam had t crayons. Stacy borrowed 5 crayons from Adam. Stacy then borrowed 10 more crayons from Adam. How many crayons does Adam have now? • t − 5
• t − 10
• t + 10
• t − 15 Answer:Answer:t − 15

Crayons Adam had = t Crayons Colin borrowed = 5 + 10 = 15
Crayons Adam has now = t − 15
'borrowed 15 from t' is equivalent to ' t − 15' in symbols.

20. There are 39 ribbons in a box. 6 ribbons are added to the box and k ribbons are taken away. How many ribbons are left in the box now? • k + 39
• 45 − k • k + 6
• k − 39
Answer:Answer:45 − k

Ribbons in a box = 39
Ribbons added = 6
Ribbons taken away = k Ribbons left = 39 + 6 − k =45 − k 'k taken away from 45' is equivalent to '45 − k' in symbols.

21. Adam had 14 blue ribbons and y green ribbons. He lost 2 blue ribbons and 4 green ribbons. What is the total number of ribbons Adam has now? • y + 14
• y − 8
• 8 − y • y + 8 Answer:Answer:y + 8

Ribbons Adam had = y +14 Ribbons Adam lost = 2 + 4 = 8
Total ribbons Adam now has =y +14 − 8 = y + 8
'lost 8 from y +14' is equivalent to 'y +14 − 8' in symbols.