6th Grade Review Advanced

6th Grade Review Advanced

2021-2022

​Prime vs Composite

​Prime vs Composite

• ​Prime Number: A number that has exactly two factors, one and itself.

  • ​2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97

• ​Composite Numbers: A number that has more than two factors. You can break this number into a multiplication of other numbers.

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Multiple Choice

which list below only has prime numbers?

• 3, 5, 10

• 5, 7, 9

• 2, 3, 5

• 3, 7, 12

Multiple Choice

Is ten a prime number?

• Yes

• No

Multiple Choice

Is 15 a composite number?

• NO

• YES

​Exponents

​Exponents

• ​The exponent of a number says how many times to use the number in a multiplication.

  • ​Example:

• ​Exponents make it easier to write and use many multiplications

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Multiple Choice

Which is equivalent to 5 x 5 x 5 x 5

• 5³

• 5⁴

• 4⁵

• 5⁵

Multiple Choice

Which number is the BASE? 2³ = 8

• 2

• 3

• 8

• not here

Multiple Choice

How would you represent 8⁶ ?

• 8 x 6

• 8 x 8 x 6

• 8 x 8 x 8 x 8 x 8 x 8

• 6 x 6 x 6 x 6 x 6 x 6 x 6 x 6

​Changing between fractions and decimals

Multiple Choice

Convert 0.36 to a fraction in simplest form

• 9/25

• 36/100

• 36/10

• 9/250

Multiple Choice

Convert 0.006 into a fraction in simplest form

• 3/500

• 6/500

• 6/1000

• 2/500

Multiple Choice

convert 1/8 into a decimal

• 0.150

• 0.145

• 0.125

​Operations with Decimal and Fractions

​Example:

Multiple Choice

3[2.5 + (5.3 - 3.9)]

• 11.7

• 12.7

• 11.6

• -11.7

Multiple Choice

Evaluate (solve) the expression. Write the answer in simplest form.  $$\frac{4}{5\ }+\frac{2}{5}÷\ 4$$  

• $$\frac{2}{5}$$  

• $$\frac{6}{5}$$  

• $$\frac{9}{10}$$  

• 2

Now a little bit of everithing​!

Compete!!!!!!!!!!​

Multiple Choice

$$25-\left(3+1.2\right)\times5$$  

• 4

• 104

• 116

• 17.5

Multiple Choice

13 is a ___________________ number.

• prime

• composite

Multiple Choice

3[2.5 + (5.3 - 3.9)]

• 11.7

• 12.7

• 11.6

• 1.17

Multiple Choice

$$\frac{2}{3}\ +\ \frac{1}{5}\times\ 3$$  

• $$1\frac{4}{15}$$  

• $$2\frac{9}{15}$$  

• $$1\frac{1}{8}$$  

• $$3\frac{1}{5}$$  

Multiple Choice

2 is a ___________________ number.

• prime

• composite

Multiple Choice

What fraction is equivalent to .7?

• 7/1

• 7/100

• 7/10

• 7

Multiple Choice

Evaluate (solve) the expression. Write the answer in simplest form.  $$\frac{2}{3}-1\frac{4}{7}\div4\frac{5}{7}$$  

• $$\frac{1}{3}$$  

• $$\frac{2}{3}$$  

• $$1\frac{1}{3}$$  

• $$3\frac{4}{7}$$  

Multiple Choice

Which number is the EXPONENT? 4^{2 =} 16

• 4

• 2

• 16

• not here

Multiple Choice

Which is equivalent to 4 x 4 x 4 x 4 x 4

• 4⁶

• 5⁴

• 4⁴

• 4⁵

Multiple Choice

What operation do you use with exponents?

• addition

• subtraction

• multiplication

• division

Multiple Choice

3(4.8) - 2(1.03)

• 12.34

• 1.23

• 14.4

• 12.43

Multiple Choice

Convert to a decimal: 8/25

• .22

• .34

• .32

• .5

Multiple Choice

12 is a ___________________ number.

• prime

• composite

Multiple Choice

$$12\ +\ \left(2.3\ \times\ 8\right)\ \times2$$  

• 6.08

• 48.8

• 4.88

• 60.8

Multiple Choice

What decimal is equivalent to $$\frac{3}{10}$$  ?

• 10.3

• 3.10

• .3

• .03

Multiple Choice

The exponent equivalent of 20 x 20 x 20 is:

• 20 x 3

• 20³

• 3²⁰

• 2000