Staar Review (6th Grade) Rational Numbers

Which expressions is equivalent to 3² x 2⁶

• 3x3x2x2x2x2x2x2

• 3x2x2x6

• 2x2x2x6x6

Tags

CCSS.6.EE.A.1

Brianna's class followed the weather and recorded the following rainfall. Put in order from least to greatest.

.9in, 1.09in, 1.2in, 0 in, 2 in, .36 in

• 0, .36, .9, 1.09, 1.2, 2

• .36, 0, 1.2, 1.09, 2, .9

• 0, .36, 1.09, .9, 2, 1.2

• .36, .9, 1.09, 2, 1.2, 0

Answer explanation

Remember to put numbers vertically and line up DECIMAL points

Tags

CCSS.5.NBT.A.3B

A spool contains 150 inches of wire. How many pieces of wire, each with a length of 1 1/2 inches, can be cut from the spool? Which expression is correct way to solve.

(Cutting into pieces or breaking into parts)

• 
  

  $150\ \div\frac{3}{2}$

• $\frac{3}{2}\ x\ \frac{1}{150}$

• $\frac{150}{1}\ x\ \frac{3}{2}$

• 150 x 2

Tags

CCSS.6.NS.A.1

The times for 4 runners are

 $4\ \frac{9}{10},\ 5\ \frac{2}{3},\ 4\ \frac{3}{4},\ 5\ \frac{1}{2}$  
What are the 2 fastest times?

•  $4\ \frac{9}{10},\ 4\ \frac{3}{4}$  

•   $5\ \frac{2}{3},\ 5\ \frac{1}{2}$  

•  $5\ \frac{1}{2},\ 4\ \frac{9}{10}$  

Answer explanation

Remember in a race you want the LOWEST Numbers.  Faster means lowest time.

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Cynthia ran 13.1km at a rate of 1.32km per hour. How many hours did it take her to finish the run?

• 5.2 hours

• 3 hours

• .10 hours

• 9.92 hours

Tags

CCSS.6.NS.B.3

Which expression is equivalent to

 $540\ \div12?$  

• 3x5

• 2x3x5

•  $3^2\ x\ 5$  

•  $2^2\ x\ 3^{3\ \ }x\ 5$  

Tags

CCSS.4.OA.B.4

Find the value of

 $1456\ \div26$  

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

Andre had $159.17 in his checking account. He withdrew $56.25 and then withdrew $25. How much money is now in his checking account? (withdrew means took out)

• 102.92

• 77.92

• 215.42

• 240.42

Answer explanation

Withdraw means to subtract. Should've subtracted both $56.25 and $25 from original amount.

Tags

CCSS.6.NS.B.3

Joe Purchased grapes for $3.75 per pound at the store. If he gets 1.75 pounds what would be the cost?

• $5.50

• $2.14

• $2

• $6.56

Answer explanation

per is a code word for Multiply

Tags

CCSS.7.EE.B.3

Alex and Japhet's mom cooked bacon for breakfast. If she cooked 9 pieces, how many would each boy get? Which is the correct equation & answer.

• $2\ \div\ 9\ =\ .22$

• $9\div2\ =\ 4.1$

• $9\div2=\ 4.5$

• $2\div9\ =4.5$

Answer explanation

It is 9 pieces of bacon being divided

Tags

CCSS.5.NF.B.3