Hide all answersHide all answersView all answersView all answersPrintTry the Quiz
Select the algebraic expression(s) to represent the word problem(s).
1. Robert bought t marbles. Bill bought 16 marbles less than Robert. How many marbles did Bill buy? • t + 16
• t − 16 • 16
• 16 − t
Answer:Answer:t − 16
Marbles Robert bought = t Marbles Bill bought = t − 16
'16 less than t' is equivalent to 't − 16' in symbols.
2. Pamela bought f pencils. Barbara bought 7 pencils more than Pamela. How many pencils did Barbara buy? • f + 7 • f − 7
• 7
• 7 − f
Answer:Answer:f + 7
Pencils Pamela bought = f Pencils Barbara bought = f + 7
'7 more than f' is equivalent to 'f + 7' in symbols.
3. Pamela lost 10 marbles. She had g marbles. How many marbles does Pamela have now? • g − 10 • g + 10
• 10
• 10 − g
Answer:Answer:g − 10
Marbles Pamela had = g Marbles Pamela lost = 10
Marbles Pamela has now = g − 10
'lost 10 from g' is equivalent to 'g − 10' in symbols.
4. Robert borrowed 12 golf balls from Bill. Bill had d golf balls. How many golf balls does Bill have now? • d + 12
• 12
• 12 − d • d − 12
Answer:Answer:d − 12
Golf balls Bill had = d Golf balls Robert borrowed = 12
Golf balls Bill has now = d − 12
'borrowed 12 from d' is equivalent to 'd − 12' in symbols.
5. Pamela scored 15 extra credit points than Bill. Bill scored h credit points. How many credit points did Pamela score? • 15 − h • h + 15 • h • h − 15
Answer:Answer:h + 15
Points Barbara scored = h Points Pamela scored = h + 15
'15 extra than h' is equivalent to 'h + 15' in symbols.
6. Robert scored 7 fewer credit points than Bill. Bill scored p credit points. How many credit points did Robert score? • p + 7
• 7
• 7 − p • p − 7
Answer:Answer:p − 7
Points Bill scored = p Points Robert scored = p − 7
'7 fewer than p' is equivalent to 'p − 7' in symbols.
7. There were 20 dolls in a box. k dolls were taken away. How many dolls are left in the box now? • k + 20
• 20
• k − 20
• 20 − k
Answer:Answer:20 − k
Dolls in a box = 20
Dolls taken away = k Dolls left = 20 − k 'k taken away from 20' is equivalent to '20 − k' in symbols.
8. There were 9 dolls in a box. h new dolls were added to the box. How many dolls are present in the box now? • 9 − h • 9 + h • 9
• h − 9
Answer:Answer:9 + h
Dolls in a box = 9
Dolls added = h Dolls present now = 9 + h 'added h to 9' is equivalent to '9 + h' in symbols.
9. There are 8 big boxes and x small boxes. What is the total number of boxes? • 8 − x • 8 + x • 8
• x − 8
Answer:Answer:8 + x
Big boxes = 8
Small boxes = x Total boxes = 8 + x 'total of 8 and x' is equivalent to '8 + x' in symbols.
10. Robert has y red jelly beans and 6 blue jelly beans. What is the total number of jelly beans? • y − 6
• 6
• 6 − y • y + 6
Answer:Answer:y + 6
Red jelly beans = y Blue jelly beans = 6
Total jelly beans = y +6
'total of y and 6' is equivalent to 'y +6' in symbols.
11. Pamela ate t more cookies than Bill. Bill ate 7 cookies. How many cookies did Pamela eat? • t + 7 • t − 7
• t • 7 − t
Answer:Answer:t + 7
Cookies Barbara ate = 7
Cookies Pamela ate = t + 7
't more than 7' is equivalent to 't + 7' in symbols.
12. Pamela ate 6 fewer cookies than Barbara. Barbara ate k cookies. How many cookies did Pamela eat? • 6 − k • k • k − 6 • k + 6
Answer:Answer:k − 6
Cookies Barbara ate = k Cookies Pamela ate = k − 6
'6 fewer than k' is equivalent to 'k − 6' in symbols.
13. Pamela is 4 years younger than her sister. Pamela's sister is b years old. What is Pamela's age? • 4 − b • 4 • b − 4 • b + 4
Answer:Answer:b − 4
Pamela's sister's age = b Pamela age = b − 4
'4 years younger than b' is equivalent to 'b − 4' in symbols.
14. Robert is j years younger than his sister. Robert's sister is 20 years old. What is Robert's age? • j − 20
• j • j + 20
• 20 − j
Answer:Answer:20 − j
Robert's sister's age = 20
Robert age = 20 − j 'j years younger than 20' is equivalent to '20 − j' in symbols.
15. Robert's brother is r years older than him. Robert is 29 years old. What is Robert's brother's age? • r − 29
• 29 + r • r • 29 − r
Answer:Answer:29 + r
Robert's age = r Robert's brother's age = 29 + r 'r years older than 29' is equivalent to '29 + r' in symbols.
16. Robert and Barbara painted f pictures each. Michael painted 9 pictures more than Robert. How many pictures did Michael paint? • f − 9
• f + 9 • 9
• 9 − f
Answer:Answer:f + 9
Pictures Robert painted = f Pictures Michael painted = f +9
'9 more than f' is equivalent to 'f + 9' in symbols.
17. There are 38 toy cars in a store. d toy cars are sold. How many toy cars are left in the store? • d − 38
• 38 − d • d • 38 + d
Answer:Answer:38 − d
Toy cars in a store = 38
Toy cars sold =d Toy cars left =38 − d 'sold d from 38' is equivalent to '38 − d' in symbols.
18. Pamela had 9 books. Bill gave her g more books. Pamela then bought 4 new books. What is the total number of books Pamela has? • g + 13 • g + 9
• g + 4
• g − 13
Answer:Answer:g + 13
Books Pamela had = 9
Books Barbara gave Pamela = g Books Pamela bought = 4
Total books Pamela has = g + 9 + 4 = g + 13
'total of g and 9 and 4' is equivalent to ' g + 13' in symbols.
19. Robert had t crayons. Barbara borrowed 5 crayons from Robert. Barbara then borrowed 7 more crayons from Robert. How many crayons does Robert have now? • t − 5
• t − 7
• t − 12 • t + 7
Answer:Answer:t − 12
Crayons Robert had = t Crayons Bill borrowed = 5 + 7 = 12
Crayons Robert has now = t − 12
'borrowed 12 from t' is equivalent to ' t − 12' in symbols.
20. There are 32 ribbons in a box. 9 ribbons are added to the box and k ribbons are taken away. How many ribbons are left in the box now? • 41 − k • k + 32
• k + 9
• k − 32
Answer:Answer:41 − k
Ribbons in a box = 32
Ribbons added = 9
Ribbons taken away = k Ribbons left = 32 + 9 − k =41 − k 'k taken away from 41' is equivalent to '41 − k' in symbols.
21. Robert had 18 blue ribbons and y green ribbons. He lost 2 blue ribbons and 5 green ribbons. What is the total number of ribbons Robert has now? • y + 18
• y − 11
• 11 − y • y + 11
Answer:Answer:y + 11
Ribbons Robert had = y +18 Ribbons Robert lost = 2 + 5 = 11
Total ribbons Robert now has =y +18 − 11 = y + 11
'lost 11 from y +18' is equivalent to 'y +18 − 11' in symbols.
