Number and Algebra, Raph15-19

Question

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Worked Solution

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Variant 0

DifficultyLevel

272

Question

Lisa and Andy both worked in part time jobs.

Lisa earned $36 while Andy earned $37.

How much, in dollars, did they earn altogether?

Worked Solution

One strategy:
36 + 37 = 30 + 6 + 30 + 7
= 60 + 6 + 7
= 73

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Lisa and Andy both worked in part time jobs. Lisa earned $36 while Andy earned $37. How much, in dollars, did they earn altogether?
workedSolution
sm_nogap One strategy:
| | | | --------------------- | -------------- | | 36 + 37| = 30 + 6 + 30 + 7| || = 60 + 6 + 7| | | \= {{{correctAnswer}}} |
correctAnswer
73

Answers

Is Correct?Answer
x

71

✓

73

x

77

x

78

Variant 1

DifficultyLevel

274

Question

Ramon is making a cabinet.

He bought 35 nails and 46 screws.

How many nails and screws did he buy altogether?

Worked Solution

One strategy:
35 + 46 = 30 + 5 + 40 + 6
= 70 + 5 + 6
= 81

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Ramon is making a cabinet. He bought 35 nails and 46 screws. How many nails and screws did he buy altogether?
workedSolution
sm_nogap One strategy:
| | | | --------------------- | -------------- | | 35 + 46| = 30 + 5 + 40 + 6| || = 70 + 5 + 6| | | \= {{{correctAnswer}}} |
correctAnswer
81

Answers

Is Correct?Answer
x

71

x

73

✓

81

x

83

Variant 2

DifficultyLevel

277

Question

A restaurant owner purchased 29 lettuces and 45 eggplants from the market.

How many vegetables did he purchase in total?

Worked Solution

One strategy:
29 + 45 = 20 + 9 + 40 + 5
= 60 + 9 + 5
= 74

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
A restaurant owner purchased 29 lettuces and 45 eggplants from the market. How many vegetables did he purchase in total?
workedSolution
sm_nogap One strategy:
| | | | --------------------- | -------------- | | 29 + 45| = 20 + 9 + 40 + 5| || = 60 + 9 + 5| | | \= {{{correctAnswer}}} |
correctAnswer
74

Answers

Is Correct?Answer
x

62

x

64

x

72

✓

74

Variant 3

DifficultyLevel

325

Question

A bull catcher caught 127 bulls in the first week of a job and 86 in the second week.

In total, how many bulls did he catch?

Worked Solution

One strategy:
127 + 86 = 100 + 20 + 7 + 80 + 6
= 100 + 100 + 7 + 6
= 200 + 13
= 213

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
A bull catcher caught 127 bulls in the first week of a job and 86 in the second week. In total, how many bulls did he catch?
workedSolution
sm_nogap One strategy:
| | | | --------------------- | -------------- | | 127 + 86| = 100 + 20 + 7 + 80 + 6| || = 100 + 100 + 7 + 6| || = 200 + 13| | | \= {{{correctAnswer}}} |
correctAnswer
213

Answers

Is Correct?Answer
x

203

x

209

✓

213

x

215

Variant 4

DifficultyLevel

335

Question

Leisa collected 128 football cards in April and 175 more cards in May.

In total, how many football cards did Leisa collect in April and May?

Worked Solution

One strategy:
128 + 175 = 100 + 20 + 8 + 100 + 70 + 5
= 200 + 90 + 8 + 5
= 290 + 13
= 303

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Leisa collected 128 football cards in April and 175 more cards in May. In total, how many football cards did Leisa collect in April and May?
workedSolution
sm_nogap One strategy:
| | | | --------------------- | -------------- | | 128 + 175| = 100 + 20 + 8 + 100 + 70 + 5| || = 200 + 90 + 8 + 5| || = 290 + 13| | | \= {{{correctAnswer}}} |
correctAnswer
303

Answers

Is Correct?Answer
x

291

x

293

✓

303

x

315

Tags

  • nap_nc