Add, subtract, multiply rationals | Baamboozle - Baamboozle

English 14 Public

Students will use number lines and equations to show and solve addition, subtraction and multiplication of rational numbers.

Study Slideshow

1. Nate removes four −2.25 cards from his hand. How does this affect the overall point value of the cards in his hand?

a. The point value of the cards in Nate’s hand will increase.

2. The cards in Anthony's hand had a value of 1.50, but then he added three −1.25 cards to his hand. What is the new value of the cards in his hand? a. 0.25 b. -0.25 c. 2.25 d. -2.25

d. -2.25

3. The cards in Barbara's hand have a value of −9.75 after the value of the cards in her original hand tripled. What was the value of the cards in her original hand?

a. -3.25

Which of the following diagrams correctly represents 5+(−7)+(-3)

first diagram

What sum is represented by the arrow diagram?

-10

Does the sum - 48 + (- 25) result in a positive or negative value?

negative

Does the multiplication -38 ( - 22) result in a positive or negative value?

positive

Does the sum 2 ¾ + (- 5 ½ ) result in a positive or negative value?

negative

Does the multiplication 23.56 (-15.82) result in a positive or negative value?

negative

Which of the questions below can be answered using the sum -14 + 12?

What is the distance between 9 and -3?

12 units

Rewrite 4 1/3 as a sum of two signed numbers.

4 + 1/3

Rewrite - 8 4/7 as a sum of two signed numbers.

-8 + (-4/7)

Unscramble the steps and show them in the correct order to find the value of the expression. 5 2/9 – (8.1 + 5 2/9)

d, e, b, c, a