Rounding and Estimation Numbers to 100,000 Comparing Numbers Rounding and Estimation Factors and Multiples Mixed Bag 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50

Numbers to 100,000 questions follow

The following is an example of which The following is an example of which? Is it standard form, word form, or expanded form? 43, 926 Category 1 10

What is STANDARD FORM? Category 1 10

A table showing the value of each digit in a number. Category 1 20

What is a PLACE VALUE CHART? Category 1 20

On the place value chart, this column is between hundred thousands and thousands. Category 1 30

What is TEN THOUSANDS? Category 1 30

The value of a digit depending on its position in a number, such as ones, tens, hundreds,… Category 1 40

What is PLACE VALUE? Category 1 40

These number symbols (numerals) represent different amounts due to their positions within a number. Category 1 50

What are DIGITS? Category 1 50

Comparing Numbers questions follow

10 Examining different values and telling which is greater or less. Category 2 10

What is COMPARING? Category 2 10

The symbol “ < “ is used to express which relationship between the numbers 75,650 and 76,723. 20

What is “IS LESS THAN?” Category 2 20

A sequence of numbers formed by a certain number relationship A sequence of numbers formed by a certain number relationship. Examples: 2, 4, 8, 16, 32… 5000, 4500, 4000, 3300… Category 2 30

What is a NUMBER PATTERN? Category 2 30

40 These numbers complete the following number pattern. …14, 21, 35, ___, 49, ___, ___, 70… Category 2 40

What are 42, 56, 63? Category 2 40

50 Two numbers must trade places to make the following statement true. “From greatest to least, our video game scores are 42, 650 43,620 43,680 42,590 .” Category 2 50

What are 43,680 and 42,650 (or 42,650 and 43,680)? Category 2 50

Rounding and Estimation questions follow

A calculated guess that is close to the exact number. Category 3 10

What is an ESTIMATE? Category 3 10

20 An estimate is said to be this if it is close to the actual answer. Category 3 20

What is REASONABLE? Category 3 20

Choosing an approximate value to use instead of the actual number in order to estimate the answer for a calculation. Category 3 30

What is ROUNDING? Category 3 30

40 How would rounding be used to answer this question? Mr. Keller has $50 to spend on gas for his sweeeet car. If the cost of gas is $4.79 for each gallon, will he have enough money to buy 12 gallons? (No, he will not.) Category 3 40

What is ROUND $4.79 to the nearest dollar, then multiply the price per gallon by the number of gallons? Category 3 40

A reporter is wondering which city has the most basketball fans A reporter is wondering which city has the most basketball fans. She uses this data table. Can you explain how the totals were found? # of basketball tickets sold City A City B City C 2013 4,300 629 48 2012 2,900 1,032 99 TOTAL 6,000 1,600 130 Category 3 50

The numbers in each column were rounded, then added together. Category 3 50

Factors and Multiples questions follow

10 The answer when one number is multiplied by another. A X B = ? Category 4 10

What is the PRODUCT? Category 4 10

20 The answer when one number is divided by another. A divided by B = ? Category 4 20

What is the QUOTIENT? Category 4 20

In a multiplication problem, there are two ___ that result in a product. Category 4 30

What are FACTORS? Category 4 30

If it is true that the common factors for 20 and 30 are 1, 2, 5, and 10, the greatest common factor is ___. Category 4 40

What is 10? Category 4 40

50 Some of the common multiples of 6, 15, and 10 are ___. 6, 12, 15, 30, 10, 20 B. 6, 10, 12, 15, 20, 30 C. 3, 9, 12, 15, 20, 40 D. 30, 60, 90, 120, 150 Category 4 50

What is D: 30, 60, 90, 120, 150 ? Category 4 50

Mixed Bag questions follow

These are numbers without fractions or decimals, like 17, 45, and 52,048. Category 5 10

What are WHOLE NUMBERS? Category 5 10

20 These are the factors of which whole number: 1, 2, 3, 4, 6, 9, 12, 18, 36. Category 5 20

What is 36? Category 5 20

A number that has only two factors, one and itself. Category 5 30

What is a PRIME NUMBER? Category 5 30

The term for a number that is composed of other factors besides one and itself. Category 5 40

What is a COMPOSITE NUMBER? Category 5 40

These are numbers without fractions or decimals that are in counting order, like 41, 42, 43… and 825, 826, 827,… Category 5 50

What are CONSECUTIVE WHOLE NUMBERS or SEQUENTIAL WHOLE NUMBERS? Category 5 50