Go Math Chapter 5 Checkpoint 3rd Grade

Go Math Chapter 5 Checkpoint 3rd Grade

This week we have learned

• How to find multiplication patterns

• How to find mystery numbers in an equation

• How to solve word problems using multiplication patterns and mystery numbers

Multiplication Patterns

• Look at the numbers in both rows/columns

• Find the missing multiplication

• Fill in the rest of the chart

Multiple Choice

What is the rule?

• multiply by 5

• multiply by 4

• add 4

• divide by 4

Multiple Choice

What goes in the yellow box?

• 6

• 12

• 21

• 30

Multiple Choice

Find the rule for the table.

• Add 4
• Multiply by 2
• Multiply by 4
• Divide by 6

Mystery Numbers

• If the mystery number is the product - just solve it the normal way

• If the mystery number is missing from the two numbers you multiply... try to figure it out in your head

• If you're still struggling use the multiplication chart!

Multiple Choice

Ms. Martell wrote this equation. What is the unknown factor?

n X 7 = 42

• 5

• 6

• 8

• 7

Multiple Choice

Find the unknown factor.

3 X u = 27

• 9

• 7

• 6

• 8

Multiple Choice

Look at the equation. What is the value of a?

5 X a = 35

• 6

• 30

• 5

• 7

Word Problems

• Read the problem

• Figure out what it is asking you

• Solve it

Mia bought 2 copies of the same book. She spent $18. What was the price of each book?

• I need to figure out how much each book costs.

• 2 x ? = 18

• 2 x 9 = 18

• Each book costs $18!

Multiple Choice

Ms. Lukatya bought 4 pothos plants at the store. Each plant cost the same amount. She spent $24 in total. How much did each plant cost?

Which mystery number problem helps solve this?

• 4 x ? = 24

• 4 x 24 = ?

Multiple Choice

Ms. Lukatya bought 4 pothos plants at the store. Each plant cost the same. She spent $24 on the plants.

How much did each plant cost?

• $4

• $6

• $12

Poll

How do you feel about mystery numbers?

• Great! I can do this in my sleep!

• This is tricky. I need more practice.

• What is a mystery number? I am confused.