Number, NAP_10006

Question

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Worked Solution

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Variant 0

DifficultyLevel

323

Question

On a fish farm 162 salmon were released in the first month and 128 in the second month.

In total, how many fish were released in these two months?

Worked Solution

One strategy:
162 + 128 = 100 + 60 + 2 + 100 + 20 + 8
= 200 + 80 + 10
= 200 + 90
= 290

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
On a fish farm 162 salmon were released in the first month and 128 in the second month. In total, how many fish were released in these two months?
workedSolution
sm_nogap One strategy:
| | | | --------------------- | -------------- | | 162 + 128| = 100 + 60 + 2 + 100 + 20 + 8| || = 200 + 80 + 10| || = 200 + 90| | | \= {{{correctAnswer}}} |
correctAnswer
290

Answers

Is Correct?Answer
x

190

x

280

x

286

✓

290

Variant 1

DifficultyLevel

321

Question

On a farm there are 145 cows and 63 sheep.

In total, how many animals are there on the farm?

Worked Solution

One strategy:
145 + 63 = 100 + 40 + 5 + 60 + 3
= 100 + 100 + 8
= 200 + 8
= 208

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
On a farm there are 145 cows and 63 sheep. In total, how many animals are there on the farm?
workedSolution
sm_nogap One strategy:
| | | | --------------------- | -------------- | | 145 + 63| = 100 + 40 + 5 + 60 + 3| || = 100 + 100 + 8| || = 200 + 8| | | \= {{{correctAnswer}}} |
correctAnswer
208

Answers

Is Correct?Answer
x

102

x

108

x

202

✓

208

Variant 2

DifficultyLevel

319

Question

On a science excursion there are 165 year 7 students and 142 year 9 students.

In total, how many students are there on the science excursion?

Worked Solution

One strategy:
165 + 142 = 100 + 60 + 5 + 100 + 40 + 2
= 200 + 100 + 7
= 300 + 7
= 307

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
On a science excursion there are 165 year 7 students and 142 year 9 students. In total, how many students are there on the science excursion?
workedSolution
sm_nogap One strategy:
| | | | --------------------- | -------------- | | 165 + 142| = 100 + 60 + 5 + 100 + 40 + 2| || = 200 + 100 + 7| || = 300 + 7| | | \= {{{correctAnswer}}} |
correctAnswer
307

Answers

Is Correct?Answer
✓

307

x

207

x

107

x

23

Variant 3

DifficultyLevel

317

Question

On an Air New Zealand flight there are 243 economy passengers and 87 premium economy passengers.

How many passengers are on the flight altogether?

Worked Solution

One strategy:
243 + 87 = 200 + 40 + 3 + 80 + 7
= 200 + 120 + 10
= 320 + 10
= 330

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
On an Air New Zealand flight there are 243 economy passengers and 87 premium economy passengers. How many passengers are on the flight altogether?
workedSolution
sm_nogap One strategy:
| | | | --------------------- | -------------- | | 243 + 87| = 200 + 40 + 3 + 80 + 7| || = 200 + 120 + 10| || = 320 + 10| | | \= {{{correctAnswer}}} |
correctAnswer
330

Answers

Is Correct?Answer
x

230

x

327

✓

330

x

430

Variant 4

DifficultyLevel

315

Question

In an orchard, there are 125 orange trees and 135 lemon trees.

How many citrus trees are there in the orchard altogether?

Worked Solution

One strategy:
125 + 135 = 100 + 20 + 5 + 100 + 30 + 5
= 200 + 50 + 10
= 260

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
In an orchard, there are 125 orange trees and 135 lemon trees. How many citrus trees are there in the orchard altogether?
workedSolution
sm_nogap One strategy:
| | | | --------------------- | -------------- | | 125 + 135| = 100 + 20 + 5 + 100 + 30 + 5| || = 200 + 50 + 10| | | \= {{{correctAnswer}}} |
correctAnswer
260

Answers

Is Correct?Answer
x

160

x

250

✓

260

x

270

Variant 5

DifficultyLevel

313

Question

Maryanne watches 2 movies on Saturday afternoon.

The first movie runs for 127 minutes and the second for 92 minutes.

For how many minutes, in total, did Maryanne watch movies on Saturday afternoon?

Worked Solution

One strategy:
127 + 92 = 100 + 20 + 7 + 90 + 2
= 100 + 20 + 90 + 9
= 100 +110 +9
= 219

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Maryanne watches 2 movies on Saturday afternoon. The first movie runs for 127 minutes and the second for 92 minutes. For how many minutes, in total, did Maryanne watch movies on Saturday afternoon?
workedSolution
sm_nogap One strategy:
| | | | --------------------- | -------------- | | 127 + 92| = 100 + 20 + 7 + 90 + 2| || = 100 + 20 + 90 + 9| || = 100 +110 +9 | | \= {{{correctAnswer}}} |
correctAnswer
219

Answers

Is Correct?Answer
x

119

✓

219

x

229

x

299

Tags

  • nap_nc
  • staging_suejones