7 Unit 1 Test Review

Vocab and Properties of Numbers

100

Which property says that we can add or multiply in any order without affecting the sum or product

Commutative property of multiplication/addition

200

Which property says that the sum or product will not be affected if we group products or addends differently?

Associative property or multiplication/addition

300

Give an example of the zero property of multiplication.

Any number times zero will equal zero.

4 x 0 = 0

400

Illustrate the Identity property of addition.

any number plus zero equals that number

ex: 5 + 0 = 5

500

Illustrate the identity property of multiplication.

any number times one equals that number

ex: 6 x 1 = 6

Sequences and evaluating

100

If n = 2/5, find 

n + n

4/5

200

If t is 1000 and v is 11, find v - t

-989

300

The rule of a sequence is k = 3n - 1.

What is the tenth term of the sequence?

29

400

Find the next three numbers in the sequence

..., 49, 64, 81, 100,...

121, 144, 169

500

Evaluate the expression a - b for a = 200 and b = 400

-200

Factors and Comparing

100

What is the GCF of 24 and 42

8

200

List the factors of 48

1, 2, 3, 4, 6, 8, 12, 16, 24, 48

300

7-3 ___3-7

>

400

Arrange from least to greatest:

-10, 5, -7, 8, 0, -2

-10, -7, -2, 0, 5, 8

500

What are the common factors of 18 and 36?

1, 2, 3, 6, 9, 18

Equations

100

Solve the equation be sure to show all your steps

7 + x = 19

x = 19 - 7

x = 12

200

Solve the equation be sure to show all your steps

7 + 5 + x + 2 + 6 = 30

24 + x = 30

x = 30 - 24

x = 6

300

Solve the equation be sure to show all your steps

6p = 84

p = 84/6

p = 14

400

Solve the equation using inverse operations. Be sure to show all the steps

39/x=13

39=13x

x=39/13

x=3

500

When you solve the equation 15 - i = 24

What will the next step look like?

15 = 24 + i

Real Number Relationships

100

Give an example of an integer

any negative/positive whole number or zero

200

What kind of number is a percent?

rational

300

Is a whole number a counting number? Explain

No, the whole number box won't fit in the counting number box.

400

Using braces and digits write the set of whole numbers.

{0, 1, 2, 3...}

500

What are the categories of real numbers and give an example of a number that would go in each set.

Counting-positive whole numbers, Whole-zero, Integer-negative whole numbers, Rational-fraction, decimal, percents, Irrational-pi non perfect square roots and decimals that are non terminating and nonrepeating, Real any number