Multiplication Facts
What is 4x5?
20
There are 9 rows of tomato plants. There are 10 plants in each row. Write and solve an equation to find the total number of plants.
10x9=C
C=90 plants
Tickets to a bubble show cost $10 for each child. Four children go to see the show. What is the total cost of their tickets? Draw a bar diagram and write an equation to solve.
$10x4=d
d=$40
Check bar diagrams
What is 5x4?
20
Ben has 3 brownies. He cuts each brownie into 5 pieces. Write and solve an equation to find the number of pieces of brownies that Ben has.
S= 15 pieces of brownies
Leo has 8 bird cages. He keeps 2 birds in each cage. How many birds does Leo have? Use a bar diagram to represent the problem.
Check bar diagrams
2x8=16 birds
8x2=16 birds
What is 9x7?
63
Sharon got 6 questions correct on an assignment. Each question is worth 2 points. She wrote the expression 6x2 to represent how many points she earned in all. Which expression is equal to 6x2?
A. 6x8
B. 2x6
C. 6x1
D. 5x5
At the fair, tickets are $9 each for adults. Nine adults attend the fair. What is the total cost of their tickets? Draw a bar diagram and write an equation to solve the problem.
$9x9= $81
Check bar diagrams
What is 5x6?
30
Henry says that when any number between 1 and 9 is multiplied by 2 the product always has a 0, 2, 4, 6, 8 in the ones place. Is this reasonable? Explain.
Yes, this is reasonable because any number multiplied by 2 is always an even number.
Mindy has 5 jewelry boxes. Each box has 8 necklaces. How many necklaces does she have in all? Draw a bar diagram and write an equation.
5x8=40
8x5=40
Check bar diagrams
What is 9x6?
54
Use the expression 0x? where ? represents a factor between 1 and 9. What is true about the digit in the ones place? Explain.
The digit in the ones place always ends in a zero because anything multiplied by 0 is zero. This is the Zero Property of Multiplication.
A school has 12 classrooms with 9 desks in each. How many desks are there in total? Draw a bar diagram and write an equation.
12x9=108 desks
9x12= 108 desks
Check bar diagrams