Mathematical Problem Solving Skills

While on a camping trip, Calvin was monitoring the temperature.

• In the afternoon, the temperature was –4°C.

• As the evening progressed, the temperature dropped 7°C.

• By mid-morning the next day, the temperature had risen 3°C.

What was the temperature, in degrees Celsius, after these changes?

The temperature is recorded during a science experiment. 

What is the difference in temperature between trial 1 and trial 5?

• -200

• 200

• 100

• -100

What number property is shown in Step 2?

• commutative

• associative

• distributive

• multiplicative inverse

What number property is shown in Step 1?

• commutative

• associative

• distributive

• multiplicative inverse

Stephen had 36 tickets for games at the fair. He used ⅓ of the tickets on the dart-balloon game. He then used 0.5 of the remaining tickets to play the ring-toss game. How many tickets did Stephen have after playing these games?

• 6

• 12

• 8

• 18

You head over to the local burger spot in your city. The menu of prices is posted below.

Write a simplified expression that would represent the cost of buying a burger, a fry, and a drink.

You head over to the local burger spot in your city. The menu of prices is posted below.

If the expression for your meal is (6x + 6), and the total cost was $18, what is the value of x?

Ms. Carey wrote the equation below on the board. What is the solution to the equation?