Nadia knows that she is younger than her father, Glen. The following table shows her dad's age compared to hers.
Nadia's age | Glen's age |
---|---|
$1$1 | $24$24 |
$5$5 | $28$28 |
$10$10 | $33$33 |
$20$20 | $43$43 |
$30$30 | $53$53 |
What is the difference in their ages?
Fill in the blanks.
James knows that he is older than his sister Hermione. The following table shows his sister's age compared to his age.
A catering company uses the following table to work out how many sandwiches are required to feed a certain number of people.
Fill in the blanks:
A mini-bus company uses the following table to work out how many busses are needed for a certain number of passengers.
Fill in the blanks:
Use variables to represent two quantities in a real-world problem that change in relationship to one another; write an equation to express one quantity, thought of as the dependent variable, in terms of the other quantity, thought of as the independent variable. Analyze the relationship between the dependent and independent variables using graphs and tables, and relate these to the equation.