Rounding Whole Numbers and Silly Story

Play an AI-generated podcast conversation about this lesson

What does the base of a number system describe?

The unique digits used in the system (correct)

The history of the number system

The language from which the system originated

The value of the numbers in the system

What is the English name for the decimal number system?

Hexadecimal number system

Tenth number system (correct)

Octal number system

Binary number system

Which ancient civilization independently developed the base ten number system?

Egypt

Greece

China (correct)

India

How many unique digits are used in the base ten number system?

10 Signup and view all the answers

What does the Latin word decimus mean?

Tenth Signup and view all the answers

What was among the first archaeological evidence of the use of base ten number systems?

Bamboo slips from China Signup and view all the answers

What is the rule for rounding a number when the digit used to round is 5?

Round up Signup and view all the answers

If a number is being rounded to the hundreds, which digit is used to decide whether to round up or down?

The tens column Signup and view all the answers

What happens to all the digits to the right of the place value when rounding a number?

They become 0s Signup and view all the answers

In the story used to explain rounding, what determines whether the baker goes back (round down) or goes forward (round up)?

The number of steps between the oven and grandma's house Signup and view all the answers

If the number 74 is rounded by tens, which digit is used to decide whether to round up or down?

4 Signup and view all the answers

When rounding a number, what does rounding down mean?

The digit in the place value being rounded stays the same Signup and view all the answers

Which type of numbers include fractions and decimals?

None of the above Signup and view all the answers

What property of whole numbers describes how numbers in a closed set will produce another number in the set when an operation is performed?

Closure property Signup and view all the answers

When are the associative, commutative, and closure properties of whole numbers applicable?

To addition and multiplication, but not subtraction and division Signup and view all the answers

In the context of whole numbers, when does the distributive property apply?

To addition, subtraction, and multiplication, but not division Signup and view all the answers

What is the process of making a number simpler but still having it be close to the original value called?

Rounding Signup and view all the answers

When are rounding skills particularly useful in real-life situations?

When estimating costs for shopping Signup and view all the answers

What is the place value of the digit 7 in the number 3,785?

Seven hundreds place Signup and view all the answers

If we change the digit 8 to a 1 in the number 9,248, what will be the new place value of the digit 8?

Eight thousands place Signup and view all the answers

In the number 6,319, which digit is in the tens place value?

3 Signup and view all the answers

What is the place value of 4 in the number 2,674?

Four tens place Signup and view all the answers

If you were asked to find the thousands place value for the number 5,432, which digit would it be?

4 Signup and view all the answers

What is expanded form of the number 7,654?

$7,000+600+5+4$ Signup and view all the answers

What is the base ten number system?

A number system developed independently by Indian, Babylonian, and Aztec mathematicians Signup and view all the answers

What does the term 'numeral' refer to in the context of number systems?

The representation of a concept or idea in symbols Signup and view all the answers

How is the value of a numeral in a base ten system calculated?

By multiplying each digit's position by 10 and adding the products together Signup and view all the answers

Where is the base ten number system commonly used?

Globally in various applications such as calculations, calendar dates, and sports scores Signup and view all the answers

What are whole numbers in mathematics?

Numbers between zero to infinity, not including decimals or fractions Signup and view all the answers

How do natural numbers differ from whole numbers?

Natural numbers do not include zero, while whole numbers do Signup and view all the answers

What is the expanded form of 45,302.07?

40,000+5,000+300+2+0.07 Signup and view all the answers

What is the standard form of 400,000+50,000+300+40?

450,340 Signup and view all the answers

What is the most basic of the four operations when working with whole numbers?

Addition Signup and view all the answers

In addition, if a column has a sum greater than 9, what is the next step?

Carry the tens place to the next column Signup and view all the answers

What is the operation that involves taking away value from the total amount?

Subtraction Signup and view all the answers

When subtracting whole numbers, what should you do if the value being subtracted is not large enough to take away the value?

Borrow value from the next place value Signup and view all the answers

What is multiplication?

The process of adding multiple sets of the same number Signup and view all the answers

In multiplication, what should be added as a placeholder each time you move to the next place value?

$0$ Signup and view all the answers

If you want to find out how many cookies would be cooked in 126 days with a daily order of 715 cookies, what operation would you use?

Multiplication Signup and view all the answers

What was the customer's original order for sugar cookies and how many did she need to subtract?

Original order: 524; Need to subtract: 134 Signup and view all the answers