Rational and Irrational Numbers on a Number Line

Front

What are rational numbers?

Back

Rational numbers are numbers that can be expressed as a fraction or ratio of two integers, where the denominator is not zero.

Tags

CCSS.5.NBT.A.2

Front

What are irrational numbers?

Back

Irrational numbers are numbers that cannot be expressed as a simple fraction; they have non-repeating, non-terminating decimal expansions.

Tags

CCSS.8.NS.A.1

Front

On a number line, which direction represents larger numbers?

Back

To the right.

Tags

CCSS.2.MD.B.6

Front

On a number line, which direction represents smaller numbers?

Back

To the left.

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Front

What is the opposite of a number?

Back

The opposite of a number is the number that is the same distance from zero on the number line but in the opposite direction.

Tags

CCSS.6.NS.C.6A

Front

Which is larger: -0.5 or -0.9?

Back

-0.5 is larger because it is closer to zero on the number line.

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Front

If you have 56 dollars and deposit 42 dollars, how much do you have before any withdrawals?

Back

98 dollars.

Tags

CCSS.3.OA.D.8

Front

If you withdraw 10 dollars from 98 dollars, how much do you have left?

Back

88 dollars.

Tags

CCSS.1.OA.A.1

Front

Which number is furthest to the left on the number line: 1, 5, -2, -3?

Back

-3 is furthest to the left.

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Front

Which number is closest to zero on a number line: -5, 6, 7, -8?

Back

-5 is closest to zero.

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B