3 5 + 2 5 = ? , s o t h e r e s u l t i s ? 3\sqrt{5}+2\sqrt{5}\ =\ ?,\ so\ the\ result\ is\ ? 3 5 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"> + 2 5 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"> = ? , s o t h e r e s u l t i s ?

5 5 , i r r a t i o n a l 5\sqrt{5},\ irrational 5 5 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"> , i r r a t i o n a l

5 10 , i r r a t i o n a l 5\sqrt{10},\ irrational 5 1 0 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"> , i r r a t i o n a l

6 5 , i r r a t i o n a l 6\sqrt{5},\ irrational 6 5 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"> , i r r a t i o n a l

6 10 , i r r a t i o n a l 6\sqrt{10},\ irrational 6 1 0 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z"> , i r r a t i o n a l

Rational vs. Irrational

Authored by Kristine Albertson

Mathematics

9th Grade

CCSS covered

Used 523+ times

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10 questions

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MULTIPLE SELECT QUESTION

45 sec • 1 pt

A rational number

is a number that can be written as a fraction.

is always positive.

can be a repeating decimal.

is a fraction but not a decimal.

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

MULTIPLE SELECT QUESTION

1 min • 1 pt

Irrational numbers

never end and never repeat.

can be positive or negative.

reduce to $\pi$

are square roots of perfect squares.

Tags

CCSS.8.NS.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A terminating decimal is

rational.

irrational.

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The square root of a perfect square is

irrational.

rational.

Tags

CCSS.8.NS.A.1

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Identify the rational numbers.

$\sqrt{64}$

$3\pi$

$\frac{4}{5}$

$0.15151515...$

Tags

CCSS.6.NS.C.6

CCSS.6.NS.C.7

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Identify the rational numbers.

$\sqrt{120}$

$\sqrt{36}$

$\sqrt{220}$

$\sqrt{1000}$

Tags

CCSS.6.NS.C.6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$3\sqrt{5}+2\sqrt{5}\ =\ ?,\ so\ the\ result\ is\ ?$

$5\sqrt{10},\ irrational$

$5\sqrt{5},\ irrational$

$6\sqrt{5},\ irrational$

$6\sqrt{10},\ irrational$

Tags

CCSS.6.EE.A.3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$4\pi\ -\ 4\pi\ =\ ?,\ which\ is\ ?$

rational

irrational

Tags

CCSS.7.NS.A.1D

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$\sqrt{7}\cdot\ \sqrt{3}\ =\ ?,\ which\ is\ ?$

rational

irrational

Tags

CCSS.HSN.RN.B.3

10.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$\sqrt{7}\ \cdot\ \sqrt{7}\ =\ ?,\ which\ is\ ?$

rational

irrational

Tags

CCSS.6.NS.C.6

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Rational vs. Irrational

A rational number

Irrational numbers

A terminating decimal is

The square root of a perfect square is

Identify the rational numbers.

Identify the rational numbers.

35+25 = ?, so the result is ?3\sqrt{5}+2\sqrt{5}\ =\ ?,\ so\ the\ result\ is\ ?35​+25​ = ?, so the result is ?

4π − 4π = ?, which is ?4\pi\ -\ 4\pi\ =\ ?,\ which\ is\ ?4π − 4π = ?, which is ?

7⋅ 3 = ?, which is ?\sqrt{7}\cdot\ \sqrt{3}\ =\ ?,\ which\ is\ ?7​⋅ 3​ = ?, which is ?

7 ⋅ 7 = ?, which is ?\sqrt{7}\ \cdot\ \sqrt{7}\ =\ ?,\ which\ is\ ?7​ ⋅ 7​ = ?, which is ?

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$3\sqrt{5}+2\sqrt{5}\ =\ ?,\ so\ the\ result\ is\ ?$

$4\pi\ -\ 4\pi\ =\ ?,\ which\ is\ ?$

$\sqrt{7}\cdot\ \sqrt{3}\ =\ ?,\ which\ is\ ?$

$\sqrt{7}\ \cdot\ \sqrt{7}\ =\ ?,\ which\ is\ ?$