Question 1

What is the value of the unknown in this bar model?

x=

______

Accepted Answer

ten

Question 2

Which best describes the mistake that has been made when solving the equation below?

Accepted Answer

The correct additive inverse has not been added.

Answer

The (−8) has not been added to the

x=

term and the constant term on the LHS.

Answer

The same operation has not been applied to both sides of the equation.

Answer

15 add (−8) does not equal 7

Question 3

The solution to the equation

x=

is when

x

= ______

Accepted Answer

twenty

Question 4

Which of these shows the correct working to solve the equation

x=

in one additive step?

Accepted Answer

https://uploads.quizalize.com/d6660de1-ccd3-520c-b215-e384008ac4d6/question/2f2fc4c6c6e83580f5b5df15cbfa6dba.png

Answer

https://uploads.quizalize.com/d6660de1-ccd3-520c-b215-e384008ac4d6/question/1ccb51235bac132e19eaa5139dee90c6.png

Answer

https://uploads.quizalize.com/d6660de1-ccd3-520c-b215-e384008ac4d6/question/bc48f719914e34c1087364b0b98c327c.png

Answer

https://uploads.quizalize.com/d6660de1-ccd3-520c-b215-e384008ac4d6/question/73ddea4289294f57540af963275fd41a.png

Question 5

The solution to the equation

x=

is when

x

= ______

Accepted Answer

7.4

Question 6

Which of these is the solution to the equation

x=

?

Accepted Answer

x = {3\over 2}

Answer

x = {3\over 2}

Answer

x = {3\over 2}

Answer

x = {3\over 2}

Answer

x = {3\over 2}

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