Solving problems involving place value and rounding

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Solving problems involving place value and rounding - Exit Quiz

Answer the questions below. When you submit the quiz, you will receive feedback on any incorrect answers.

Which of the following statements is false about relationship between rounding and place value? *

1 point

Rounding is typically done to a specific place value.

There is no relation between the two.

When rounding, we use place value to select which number to look to decide if we round up or down.

When rounding to a target place value, all digits in the place values below the target should be "0".

Which of the following numbers can be partitioned as "31 thousands, 40 hundreds, and 21 tens"? *

1 point

31 610

31 421

35 210

310 421

Which of the following shows a way that the number "782 312" can be partitioned? Choose TWO options. *

1 point

7 + 8 + 2 + 3 + 1 + 2

700 000 + 80 000 + 2 312

700 000 + 70 000 + 12 000 + 300 + 10 + 2

500 000 + 280 000 + 2 000 + 300 + 2

Required

A student decided to round two numbers to the nearest 10 000 before adding them up. Their answer was "320 000". Which of the following could have been the original equation? *

1 point

100 000 + 30 000 + 200 000 =?

99 549 + 218 123 = ?

105 111 + 221 425 = ?

101 242 + 214 899 = ?

At the end of a day, a storekeeper counts how much money they earned. They count a total of 72 $10 notes, 31 $100 notes, 283 $1 coins, and two $1 000 notes. How much money did they earn that day? *

1 point

$23 783

$2 720

$6 103

$5 283

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