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Select the algebraic expression(s) to represent the word problem(s).
1. Adam bought t marbles. Arthur bought 18 marbles less than Adam. How many marbles did Arthur buy? • t + 18
• t − 18 • 18
• 18 − t
Answer:Answer:t − 18
Marbles Adam bought = t Marbles Arthur bought = t − 18
'18 less than t' is equivalent to 't − 18' in symbols.
2. Annie bought f pencils. Elizabeth bought 11 pencils more than Annie. How many pencils did Elizabeth buy? • f − 11
• f + 11 • 11
• 11 − f
Answer:Answer:f + 11
Pencils Annie bought = f Pencils Elizabeth bought = f + 11
'11 more than f' is equivalent to 'f + 11' in symbols.
3. Annie lost 8 marbles. She had g marbles. How many marbles does Annie have now? • g + 8
• 8
• 8 − g • g − 8
Answer:Answer:g − 8
Marbles Annie had = g Marbles Annie lost = 8
Marbles Annie has now = g − 8
'lost 8 from g' is equivalent to 'g − 8' in symbols.
4. Adam borrowed 6 golf balls from Arthur. Arthur had d golf balls. How many golf balls does Arthur have now? • d + 6
• 6
• d − 6 • 6 − d
Answer:Answer:d − 6
Golf balls Arthur had = d Golf balls Adam borrowed = 6
Golf balls Arthur has now = d − 6
'borrowed 6 from d' is equivalent to 'd − 6' in symbols.
5. Annie scored 6 extra credit points than Arthur. Arthur scored h credit points. How many credit points did Annie score? • 6 − h • h • h − 6
• h + 6
Answer:Answer:h + 6
Points Elizabeth scored = h Points Annie scored = h + 6
'6 extra than h' is equivalent to 'h + 6' in symbols.
6. Adam scored 10 fewer credit points than Arthur. Arthur scored p credit points. How many credit points did Adam score? • p − 10 • p + 10
• 10
• 10 − p
Answer:Answer:p − 10
Points Arthur scored = p Points Adam scored = p − 10
'10 fewer than p' is equivalent to 'p − 10' in symbols.
7. There were 23 dolls in a box. k dolls were taken away. How many dolls are left in the box now? • k + 23
• 23
• 23 − k • k − 23
Answer:Answer:23 − k
Dolls in a box = 23
Dolls taken away = k Dolls left = 23 − k 'k taken away from 23' is equivalent to '23 − k' in symbols.
8. There were 6 dolls in a box. h new dolls were added to the box. How many dolls are present in the box now? • 6 − h • 6
• h − 6
• 6 + h
Answer:Answer:6 + h
Dolls in a box = 6
Dolls added = h Dolls present now = 6 + h 'added h to 6' is equivalent to '6 + h' in symbols.
9. There are 22 big boxes and x small boxes. What is the total number of boxes? • 22 − x • 22 + x • 22
• x − 22
Answer:Answer:22 + x
Big boxes = 22
Small boxes = x Total boxes = 22 + x 'total of 22 and x' is equivalent to '22 + x' in symbols.
10. Adam has y red jelly beans and 14 blue jelly beans. What is the total number of jelly beans? • y − 14
• 14
• y + 14 • 14 − y
Answer:Answer:y + 14
Red jelly beans = y Blue jelly beans = 14
Total jelly beans = y +14
'total of y and 14' is equivalent to 'y +14' in symbols.
11. Annie ate t more cookies than Arthur. Arthur ate 7 cookies. How many cookies did Annie eat? • t − 7
• t + 7 • t • 7 − t
Answer:Answer:t + 7
Cookies Elizabeth ate = 7
Cookies Annie ate = t + 7
't more than 7' is equivalent to 't + 7' in symbols.
12. Annie ate 7 fewer cookies than Elizabeth. Elizabeth ate k cookies. How many cookies did Annie eat? • 7 − k • k • k − 7 • k + 7
Answer:Answer:k − 7
Cookies Elizabeth ate = k Cookies Annie ate = k − 7
'7 fewer than k' is equivalent to 'k − 7' in symbols.
13. Annie is 7 years younger than her sister. Annie's sister is b years old. What is Annie's age? • 7 − b • 7 • b + 7
• b − 7
Answer:Answer:b − 7
Annie's sister's age = b Annie age = b − 7
'7 years younger than b' is equivalent to 'b − 7' in symbols.
14. Adam is j years younger than his sister. Adam's sister is 21 years old. What is Adam's age? • j − 21
• j • 21 − j • j + 21
Answer:Answer:21 − j
Adam's sister's age = 21
Adam age = 21 − j 'j years younger than 21' is equivalent to '21 − j' in symbols.
15. Adam's brother is r years older than him. Adam is 28 years old. What is Adam's brother's age? • r − 28
• r • 28 − r • 28 + r
Answer:Answer:28 + r
Adam's age = r Adam's brother's age = 28 + r 'r years older than 28' is equivalent to '28 + r' in symbols.
16. Adam and Elizabeth painted f pictures each. Andy painted 12 pictures more than Adam. How many pictures did Andy paint? • f − 12
• 12
• f + 12 • 12 − f
Answer:Answer:f + 12
Pictures Adam painted = f Pictures Andy painted = f +12
'12 more than f' is equivalent to 'f + 12' in symbols.
17. There are 35 toy cars in a store. d toy cars are sold. How many toy cars are left in the store? • 35 − d • d − 35
• d • 35 + d
Answer:Answer:35 − d
Toy cars in a store = 35
Toy cars sold =d Toy cars left =35 − d 'sold d from 35' is equivalent to '35 − d' in symbols.
18. Annie had 9 books. Arthur gave her g more books. Annie then bought 3 new books. What is the total number of books Annie has? • g + 9
• g + 3
• g − 12
• g + 12
Answer:Answer:g + 12
Books Annie had = 9
Books Elizabeth gave Annie = g Books Annie bought = 3
Total books Annie has = g + 9 + 3 = g + 12
'total of g and 9 and 3' is equivalent to ' g + 12' in symbols.
19. Adam had t crayons. Elizabeth borrowed 3 crayons from Adam. Elizabeth then borrowed 10 more crayons from Adam. How many crayons does Adam have now? • t − 3
• t − 13 • t − 10
• t + 10
Answer:Answer:t − 13
Crayons Adam had = t Crayons Arthur borrowed = 3 + 10 = 13
Crayons Adam has now = t − 13
'borrowed 13 from t' is equivalent to ' t − 13' in symbols.
20. There are 34 ribbons in a box. 5 ribbons are added to the box and k ribbons are taken away. How many ribbons are left in the box now? • k + 34
• k + 5
• k − 34
• 39 − k
Answer:Answer:39 − k
Ribbons in a box = 34
Ribbons added = 5
Ribbons taken away = k Ribbons left = 34 + 5 − k =39 − k 'k taken away from 39' is equivalent to '39 − k' in symbols.
21. Adam had 16 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 + 10 • y + 16
• y − 10
• 10 − y
Answer:Answer:y + 10
Ribbons Adam had = y +16 Ribbons Adam lost = 2 + 4 = 10
Total ribbons Adam now has =y +16 − 10 = y + 10
'lost 10 from y +16' is equivalent to 'y +16 − 10' in symbols.
