Unit 1 Post Test Review

What is the value of the digit 7 in the number 6,706?

• 7

• 70

• 700

• 7,000

Answer explanation

In the number 6,706, the digit 7 is in the thousands place, which means its value is 7,000. Therefore, the correct answer is 7,000.

Tags

CCSS.4.NBT.A.1

Which picture shows 9,123?

• 
• 
• 
• None of the pictures show 9,123.

Tags

CCSS.4.NBT.A.2

If you use Base Ten Blocks to build the number 9,123, how many thousands blocks will you need?

• 9

• 1

• 3

• 2

Answer explanation

To build the number 9,123 using Base Ten Blocks, you need to focus on the thousands place. The number 9,123 has 9 in the thousands place, so you will need 9 thousands blocks.

Tags

CCSS.2.NBT.A.1B

Which Base Ten Block would you use to represent the digit 6 in the number 6,708?

• Thousands block

• Hundreds block

• Tens block

• Ones block

Answer explanation

In the number 6,706, the digit 6 is in the thousands place. Therefore, to represent this digit, you would use a Thousands block, which corresponds to the value of 6,000.

Tags

CCSS.4.NBT.A.2

Which shows forty-three thousand, seventy-five in standard form?

• 4,375

• 45,705

• 43,075

• 43,507

Answer explanation

Forty-three thousand, seventy-five is written as 43,075 in standard form. The other options do not match this number.

Tags

CCSS.4.NBT.A.2

What is the expanded form of the number 654,514?

• 600,000 + 50,000 + 4,000 + 500 + 10 + 4

• 600,000 + 5,000 + 400 + 50 + 10 + 4

• 60,000 + 5,000 + 400 + 50 + 10 + 4

• 600,000 + 50,000 + 400 + 500 + 10 + 4

Answer explanation

The expanded form of 654,514 is found by breaking it down into its place values: 600,000 (6 in the hundred-thousands), 50,000 (5 in the ten-thousands), 4,000 (4 in the thousands), 500 (5 in the hundreds), 10 (1 in the tens), and 4 (4 in the units). Thus, the correct choice is 600,000 + 50,000 + 4,000 + 500 + 10 + 4.

Tags

CCSS.4.NBT.A.2

What is 2,351,126 in expanded form?

• 2,000,000 + 300,000 + 50,000 + 1,000 + 100 + 20 + 6

• 2,000,000 + 300,000 + 5,000 + 100 + 20 + 6

• 2,000,000 + 300,000 + 50,000 + 1,000 + 200 + 60

• 2,000,000 + 300,000 + 50,000 + 1,000 + 100 + 26

Answer explanation

The number 2,351,126 can be broken down into its place values: 2,000,000 (2 million), 300,000 (3 hundred thousand), 50,000 (5 ten thousand), 1,000 (1 thousand), 100 (1 hundred), 20 (2 tens), and 6 (6 ones). Thus, the correct expanded form is 2,000,000 + 300,000 + 50,000 + 1,000 + 100 + 20 + 6.

Tags

CCSS.4.NBT.A.2

What is 3,321,123 in word form?

• Three million, three hundred twenty-one thousand, one hundred twenty-three

• Three billion, three hundred twenty-one million, one hundred twenty-three

• Three million, three hundred twenty-one thousand, one hundred thirty-two

• Thirty-three million, two hundred eleven thousand, two hundred thirty

Answer explanation

The number 3,321,123 is broken down as follows: 3 million, 321 thousand, and 123. Therefore, the correct word form is 'Three million, three hundred twenty-one thousand, one hundred twenty-three'.

Tags

CCSS.RF.3.3B

CCSS.RF.3.3C

CCSS.RF.3.3D

CCSS.RF.4.3A

CCSS.RF.5.3A

What is the value of the 5 in 405,397?

• 5,000

• 500

• 50,000

• 50

Answer explanation

In the number 405,397, the digit 5 is in the thousands place, which represents 5,000. Therefore, the value of the 5 is 5,000.

Tags

CCSS.4.NBT.A.1

What is the value of the 5 in 5,907,397?

• 5,000,000

• 500,000

• 50,000

• 5,000

Answer explanation

In the number 5,907,397, the digit 5 is in the millions place, representing 5,000,000. Therefore, the value of the 5 is 5,000,000.

Tags

CCSS.4.NBT.A.1