Understanding Bar Models in Problem Solving

If Riley's chickens laid 19 eggs on Monday and 7 fewer on Tuesday, how many eggs did they lay on Tuesday?

• 10

• 12

• 14

• 16

What is the purpose of using a bar model in the problem about Riley's chickens?

• To visualize the difference in eggs laid

• To add more eggs to the total

• To divide the eggs equally

• To multiply the number of eggs

Dominic and Wyatt made a total of $16 at their tag sale. If Wyatt made $9, how much did Dominic make?

• $8

• $5

• $6

• $7

In the tag sale problem, what does the pink bar represent?

• Wyatt's sales

• Dominic's sales

• Sales tax

• Total sales

How do you find Dominic's earnings using the bar model?

• Multiply Wyatt's sales by two

• Divide the total sales by two

• Subtract Wyatt's sales from the total

• Add Wyatt's sales to the total