Ch 1

Question 1

Guessing is best use when _____

Answer 1

You want fast answer and not concern about accuracy

Question 2

what did we use rounding for

Answer 2

addition and subtraction

Question 3

what is compatible number

Answer 3

Numbers that go together well

Question 4

We use compatible number for

Answer 4

multiplying and subtracting

Question 5

what is overestimating and underestimating

Answer 5

overestimating:when we estimate and the answer is higher than the real answer underestimating:when we estimate and the answer is lower than the real answer

Question 6

what is commutative property

Answer 6

a kind of property that can add or multiply numbers in any order

Question 7

what is associative property

Answer 7

a kind of property that you can group any of the number together

Question 8

what is distributive property

Answer 8

a kind of property that you can break apart one of the number into a sum and find the answer 6x(10+4) (6x10)+(6x4)

Question 9

What is the trick that you use to remember ordervof operation

Answer 9

P E M D A S

Question 10

All the 3 property can only use for_____ and _____problems

Answer 10

adding and multiplying

Question 11

what is arithmetic sequence

Answer 11

pattern that change by the same amount each time

Question 12

what is sequence

Answer 12

set of pattern of number

Question 13

What is term

Answer 13

a number’s position in a sequence