6th Gr Order of op, decimals, exponents, etc

Question 1

What is order of operations acronym? and what does it stand for?

Answer 1

PEMDAS, parentheses, exponents, multiply, divide, add, subtract

Question 2

What is rule for +- decimals?

Answer 2

line up the decimals

Question 3

What are 3 steps to multiplying decimals?

Answer 3

1. times like normal. 2. count decimals spots 3. move decimal left

Question 4

When multiplying with powers of 10, which way do you move the decimal?

Answer 4

move the decimal right

Question 5

When dividing with powers of 10, which way do you move the decimal?

Answer 5

move the decimal left

Question 6

How do you know how many places to move the decimal when multiplying and dividing by powers of 10?

Answer 6

by how many zeros there are

Question 7

When you only have x÷ or +- left in an expression you do them from…

Answer 7

left to right

Question 8

What is a factor?

Answer 8

numbers you times, numbers that go into a number

Question 9

What is a multiple? Or another phrase for multiple?

Answer 9

skip counting

Question 10

What is 5^4 in expanded form?

Answer 10

5x5x5x5

Question 11

What is 5^4 in standard form?

Answer 11

625 - need to multiply out to find what it equals

Question 12

What do the commutative & associative property mean?

Answer 12

the order you times or add doesn’t matter

Question 13

What is a prime number?

Answer 13

it only has 1 and itself as factors

Question 14

What is a composite number?

Answer 14

had many factors

Question 15

What is an even number?

Answer 15

ends in 0, 2, 4, 6, 8

Question 16

What is an odd number?

Answer 16

ends in 1, 3, 5, 7, 9

Question 17

How do you round 0.426 to the nearest hundredths place?

Answer 17

the 6 means that the 2 will change to a 3….so 0.43

Question 18

What is GCF and how do you find it?

Answer 18

greatest common factor and it is the biggest number that goes into 2 or more numbers

Question 19

What is LCM and how do you find it?

Answer 19

least common multiple and it is the smallest number that 2 or more numbers go into.

Question 20

How do you speak a little 2 exponent? How do you speak a little 3 exponent?

Answer 20

2 is squared……..3 is cubed