cross

Chapter 22

For each statement, make an equation in terms of x and then solve it.
"A number multiplied by four gives 32."
1 / 22
volgende
Slide 1: Open vraag
MathematicsSecondary Education

In deze les zitten 22 slides, met interactieve quizzen.

Onderdelen in deze les

For each statement, make an equation in terms of x and then solve it.
"A number multiplied by four gives 32."

Slide 1 - Open vraag

If a number is subtracted from nine the result is -5.

Slide 2 - Open vraag

Represent each situation using an equation in terms of y. Then solve it.
"A number is multiplied by four, then 10 is added to get 50."

Slide 3 - Open vraag

When 10 is subtracted from four times a certain number, the result is 190.

Slide 4 - Open vraag

Three times the sum of a number and four gives 150.

Slide 5 - Open vraag

Solve each problem by setting up an equation.
"A number is doubled and then six is added. When this is divided by four, the result is seven. What is the number?"

Slide 6 - Open vraag

Next Section

Slide 7 - Open vraag

A father is three times as old as his daughter. If the father is 31 years older than his daughter, what are their ages?

Slide 8 - Open vraag

Jess and Silvia have 420 marbles between them. If Jess has five times as many marbles as Silvia, how many do they each have?

Slide 9 - Open vraag

Soumik has $5 less than his friend Kofi. If they have $97.50 altogether, how much does each person have?

Slide 10 - Open vraag

Two competition winners are to share a prize of $750. If one winner receives twice as much as the other, how much will they each receive?

Slide 11 - Open vraag

A grandfather is six times as old as his grandson. If the grandfather was 45 when his grandson was born, how old is the grandson?

Slide 12 - Open vraag

Seat work
Numbers 6 to 10

Slide 13 - Open vraag

Chapter 20 Review

Slide 14 - Open vraag

Five sector angles in a pie chart are x* + 2x* + 5x* + 20* + 70*. Find the value of x in degrees.

Slide 15 - Open vraag

Mike marks in 5 tests are: 20, 2a, a, 30, 40. His mean mark is 27. What is the value of a?

Slide 16 - Open vraag


Slide 17 - Open vraag

b. Inter-quartile range
c. number of students with a reaction time of more than 4 seconds.

Slide 18 - Open vraag

Find the median.

Slide 19 - Open vraag

b. the 20th percentile

Slide 20 - Open vraag

c. the inter-quartile range

Slide 21 - Open vraag

d. the probability that a person chosen at random spends 2 hours or less in the museum.

Slide 22 - Open vraag