Number and Operations Base Ten 2 Practice

Which number is represented by the expression?

8 x 100,000 + 3 x 1,000 + 2 x 10

• 803,020

• 800, 300, 020

• 80,320

• 80,302

Answer explanation

To solve the expression, calculate each term: 8 x 100,000 = 800,000, 3 x 1,000 = 3,000, and 2 x 10 = 20. Adding these gives 800,000 + 3,000 + 20 = 803,020, which matches the correct answer.

Tags

CCSS.4.NBT.A.2

Which number has the greatest value, and why?

• The number sixteen thousand, four hundred seventy-eight has the greatest value because it ends in 78, and the others end in numbers that are less than 78.

• The number 1 x 10,000 + 6 X 1,000 + 4 x 100 + 6 x 10 + 7 has the greatest value because it is the only number with a ten thousand.

• The number 16 thousand + 56 tens + 17 ones has the greatest value because it has 5 hundreds and 7 tens.

• The number 16,567 has the greatest value because it has the greatest number of hundreds.

Answer explanation

The number 16 thousand + 56 tens + 17 ones has the greatest value because it correctly accounts for 5 hundreds and 7 tens, making it larger than the other options.

Tags

CCSS.4.NBT.A.2

Which choice is " seventy-nine tens" in numeral form?

• 790

• 7,910

• 79

• 709

Answer explanation

"Seventy-nine tens" means 79 multiplied by 10, which equals 790. Therefore, the numeral form is 790.

Tags

CCSS.2.NBT.A.3

A water park had 95,370 visitors last month. what is the word form of 95,370?

• ninety-five hundred, three hundred seven

• ninety-five thousand, three hundred seventy

• ninety-five hundred, three hundred seventy

• ninety-five thousand, three hundred seven

Answer explanation

The number 95,370 in word form is 'ninety-five thousand, three hundred seventy'. This correctly represents the thousands, hundreds, and tens in the number, making it the right choice among the options.

Tags

CCSS.4.NBT.A.2

Which TWO values represent 240,309

• 200 + 40 + 300 + 9

• two hundred forty thousand, three hundred nine

• two hundred forty thousand, thirty-nine

• 200,000 + 40,000 + 300 +9

• 200,000 + 40,000 + 30 + 9

Answer explanation

The correct values for 240,309 are 'two hundred forty thousand, three hundred nine' and '200,000 + 40,000 + 300 + 9', as they accurately represent the number in both word form and numerical breakdown.

Tags

CCSS.4.NBT.A.2

Mrs. Hogner asked her students if all these forms of writing a number named the same number.

six hundred forty thousand, sixty eight

6 x 100,000 + 4 x 10,000 + 6 x 100 + 8 x 10

640,068

Which student gave the correct explanation?

• Steph: no, the word form is different number because hundreds digits come to the right of thousands digits.

• BG: No, the expanded for is different number because it does not show a number with the same digits in the same order as the other 2 number forms.

• Cat: Yes, all 3 forms name the same number because they all have the same digits in the same order.

• Shiloh: No, the number form is different number because it is the only form that has a 0 as a digit.

Answer explanation

BG is correct. The expanded form does not represent the same number as the word form and standard numeral because it does not maintain the same digit order, leading to a different value.

Tags

CCSS.4.NBT.A.2

How is the number 2,865 written in words?

• twenty-eight thousand, sixty-five

• twenty thousand, eight hundred sixty-five

• two thousand, sixty-five

• two thousand, eight hundred sixty-five

Answer explanation

The number 2,865 is broken down as follows: 2,000 (two thousand) + 800 (eight hundred) + 60 (sixty) + 5 (five), which combines to form 'two thousand, eight hundred sixty-five'. Thus, the correct choice is 'two thousand, eight hundred sixty-five'.

Tags

CCSS.4.NBT.A.2

Ahmonii walked 1,407 kilometers last year. What is the number name for 1,407?

• one thousand, four hundred seventy

• fourteen thousand, seven

• one thousand, four hundred seven

• fourteen thousand , seventy

Answer explanation

The number 1,407 is read as 'one thousand, four hundred seven'. The other options either misrepresent the number or include incorrect values, making this the correct choice.

Tags

CCSS.4.NBT.A.2

What is the numeral form of "four thousand, two hundred thirty-one"?

• 4,231

• 42,031

• 4,321

• 4,213

Answer explanation

The numeral form of 'four thousand, two hundred thirty-one' is 4,231. This is derived from 4 (thousands), 2 (hundreds), 3 (tens), and 1 (units), which combines to form 4,231.

Which choice is "fifty-six hundreds" in numeral form?

• 5,600

• 56,000

• 560

• 5,060

Answer explanation

"Fifty-six hundreds" means 56 times 100, which equals 5,600. Therefore, the correct numeral form is 5,600.