Math 5 Unit 1 Review

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By International Program Office UTS IP UTS

How to Write and Read Natural Numbers.

Multiple Choice

Write this number: 17,045,000,009

• a) Seventeen million, forty-five thousand, nine
  
  

• b) Seventeen billion, forty-five million, nine

• c) Seventeen billion, forty-five thousand, nine

Multiple Choice

Write this number: 905,600,010

• a) Nine hundred five million, six hundred thousand, ten

• b) Nine hundred five billion, six hundred ten

• c) Nine hundred five million, sixty thousand, ten

Multiple Choice

Write this number: 8,002,450,300

• a) Eight billion, two million, four hundred fifty thousand, three hundred

• b) Eight billion, two hundred forty-five thousand, three hundred

• c) Eight million, two hundred forty-five thousand, three hundred

Place Value

Fill in the Blanks

1. In the number 6,482,093,715, what digit is in the hundred millions place?

Fill in the Blanks

2. In the number 35,904,201,608, what is the value of the digit 1?

Fill in the Blanks

In the number 7,240,516,032, what digit is in the ten million place?

Standard and Expanded Form

Multiple Choice

Which number is written in standard form?

(7,000,000,000 + 400,000,000 + 20,000,000 + 5,000 + 60 + 3)

• a) 74,200,563

• b) 7,420,000,563
  

• c) 7,400,020,563

Multiple Choice

The teacher wrote the expanded form of 4,205,307,018 as:
4,000,000,000 + 200,000,000 + 50,000,000 + 300,000 + 7,000 + 18
What’s the mistake?

• a) The tens of millions should be 5,000,000, not 50,000,000
  

• b) The thousands place is wrong
  

• c) The ones place is wrong

Multiple Choice

7,000,000,000 + 300,000,000 + 20,000,000 + 5,000 + 60 + 3

Is this standard or expanded?

• standard

• expanded

Multiple Choice

7 × 1,000,000 + 2 × 100,000 + 0 × 10,000 + 4 × 1,000 + 0 × 100 + 1 × 10 + 9 × 1

Is this standard or expanded?

• standard

• expanded

Number Line

Hotspot

Find 400 in the number line.

Hotspot

Find 1,800 in the number line.

Hotspot

Find 5,100 in the number line.

Hotspot

Find 3,400 in the number line.

Comparing and Putting numbers in Order

Reorder

Reorder the following numbers:

• 7,040,050,010

• 7,040,500,010

• 7,040,500,100

• 7,400,005,010

1

2

3

4

• 1
• 2
• 3
• 4

Reorder

Reorder the following numbers:

• 2,305,405,600

• 2,350,045,060

• 2,350,405,600

• 2,350,450,600

1

2

3

4

• 1
• 2
• 3
• 4

Reorder

Reorder the following numbers:

• 4,602,705,800

• 4,620,075,800

• 4,620,705,800

• 4,620,750,800

1

2

3

4

• 1
• 2
• 3
• 4

Reorder

Reorder the following numbers:

• 11,205,040,600

• 11,205,400,600

• 11,250,004,600

• 11,250,040,600

1

2

3

4

• 1
• 2
• 3
• 4

Rounding and Estimating Numbers

Multiple Choice

Round 905,678,432 to the nearest hundred thousand.

• a) 905,600,000
  

• b) 905,700,000

• c) 906,000,000

• d) 905,000,000

Fill in the Blanks

Round 48,062,781 to the nearest ten million.

Multiple Choice

Round 405,250,199 to the nearest ten million.

• a) 405,000,000

• b) 420,000,000

• c) 400,000,000

• d) 410,000,000