Vocabulary Terms for Unit 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| array | A grouping with rows and columns. Each row and column has the same number of objects.
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| number model | A number sentence that models a number story . Example: 3 x 4 = 12
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| commutative property of multiplication | Two numbers can be multiplied in either order without changing the product (answer).
Example: 3 x 4 = 12 4 x 3 = 12
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| factor | The smaller numbers multiplied together to get the product (answer)
4 and 3 are the factors of 3 x 4 =12
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| product | The answer when you multiply two numbers together. 12 is the product of 3 x 4 = 12
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| factor pair | Any two numbers that can be multiplied together to get a product.
3 and 4 are a factor pair of 12. So are 6 and 2.
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| even number | A counting number that is divisible by 2 2,4,6,8,10,…..
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| odd number | A counting number that is NOT divisible by 2 1,3,5,7,9,11….
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| divisible by | If a larger number can be divided by a smaller number with no remainder. Ex. 12 / 4 = 3.
12 is divisible by 4. 13 / 4 = 3 r1, so 13 is NOT divisible by 4.
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| remainder | The amount left over when one number is divided by another.
13 / 4 = 3 r 1. R = the remainder.
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| factor rainbow | A way to show factor pairs in a list of factors of a number
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| quotient | The result of dividing one number by another.
12 / 6 = 2. 2 is the quotient.
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| prime number | A counting number greater than 1 that can only be multiplied by 1 and itself.
2,3,5,7,11 are all prime numbers.
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| composite number | A counting number greater than 1 that has more than two factors. 8 is composite because it has factors of 1,8,2, and 4.
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| square number | Numbers that are the product of counting number and itself.
5 x 5 = 25. Can be shown with an exponent 25 = 52
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| exponential notation | A way to show repeated multiplication by the same factor.
23 = 2 x 2 x 2 = 8
3 is the exponent (or power).
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| exponent | A small, raised number used to tell how many times the base number is used as a factor.
23 = 2 x 2 x 2 = 8
2 is the base number
3 is the exponent
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| square root | The smaller number that when multiplied by itself equals a square number. The square root of 25 is 5. (5 x 5 = 25)
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| factor string | A counting number written as the product of 2 or more factors other than 1. 2 x 3 x 4 = 24
There are 3 factors in this factor string.
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| prime factorization | A counting number written as a product of prime number factors. 24 = 2 x 2 x 2 x 3
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Mrs. Turk
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