Rounding Vocabulary Week 4

What is a benchmark?

• a straight line with numbers placed in order along it.

• a whole number that has a 0,2,4,6, or 8 in the ones place.

• a number close to an exact amount.

•  a number such as 5, 10, 15, 20, 25, or any other number that helps you estimate or understand a different amount.

What is a number line?

• A line with numbers placed randomly

• A straight line with numbers placed in order along it

• A line with only even numbers

• A line with only odd numbers

Tags

CCSS.2.MD.B.6

Which of the following is an even number?

• 55

• 42

• 27

• 13

Tags

CCSS.2.OA.C.3

What does it mean to estimate?

• To find a number that is always odd

• To find a number that is always even

• To find a number close to an exact amount

• To find the exact amount

Which of the following is an odd number?

• 34

• 60

• 22

• 47

What does it mean to round a number?

• to change a number to a friendlier number that tells about how many or how much.

• a whole number that has a 1,3,5,7, or 9 in the ones place.

• 1. a whole number that has a 0,2,4,6, or 8 in the ones place. 

•  a number such as 5, 10, 15, 20, 25, or any other number that helps you estimate or understand a different amount.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Which of the following numbers is a benchmark?

• 13

• 10

• 7

• 3

Tags

CCSS.4.NF.A.2

What is the purpose of a benchmark?

• a number close to an exact amount.

• a whole number that has a 0,2,4,6, or 8 in the ones place.

• a straight line with numbers placed in order along it.

•  a number such as 5, 10, 15, 20, 25, or any other number that helps you estimate or understand a different amount.

Tags

CCSS.4.NF.A.2

Which of the following is a characteristic of a number line?

•  a number such as 5, 10, 15, 20, 25, or any other number that helps you estimate or understand a different amount.

• a whole number that has a 0,2,4,6, or 8 in the ones place.

• a whole number that has a 1,3,5,7, or 9 in the ones place.

•  a straight line with numbers placed in order along it.

Tags

CCSS.2.MD.B.6

Which of the following numbers is even?

• 9

• 33

• 16

• 21