STAAR Review TEKS 6.3C 6.3D

A model representing operations with numbers shown. Which expression is represented by the model?

(a)  

The circles in the model represent positive and negative units. Which equation is true based on the model?

White Circle = 1

Black Circle = -1

• (-3) + 5 = -2

• (-3) + 5 = 2

• -3 + (-5) = -2

• 3 + (-5) = 2

Which expression is represented on the number line?

(a)  

Which expression is represented on the number line?

Sarah used a gift card to buy a pair of jeans for $30 an 2 pairs of socks for $7 per pair. The expression shown represents the total change in the balance of the gift card in dollars.

-30 + 2(-7)

What integer represents the total change in the value of the gift card? Fill in your answer.

Nathan threw each of 4 beanbags at a target and scored points based on where the beanbags landed. The results of Nathan's beanbags throws are shown in the table. What was the total number of points scored in his 4 throws?

• -6

• -4

• 2

• None of these

Juliet had $237 to spend. She returned a calculator and received a $128 refund, She then bought a chair for $62. How much money in dollars and cents did Juliet have to spend after buying the chair?

• -42
• -13
• 7
• -22

Which equation is NOT true?