Equations
Write and solve an equation for 9 rows of 3.
9 x 3 = 27
Draw a complete bar diagram for 4 x 2.
You should have 4 boxes with 2 in each box and a total of 8 at the top.
Write an expression to show the value of 3 dimes.
3 x 10
Which property proves that 2 x 5 = 5 x 2
The Commutative Property
Count by 2s to 20
2, 4, 6, 8, 10, 12, 14, 16, 18, 20
Write and solve an equation for 5 rows of 9.
5 x 9 = 45
Draw a bar diagram for 3 x 5.
You should have 3 boxes with 5 in each box and a total of 15 at the top.
Write an expression that represents how many pencils Mr. Decker has if he has 2 rows of 7 pencils.
How many pencils does he have?
2 x 7
14 pencils
What is true about any number times zero?
They ALWAYS equal 0.
4 x 5 = ?
20
Write and solve an equation for 2 rows of 7.
2 x 7 = 14
Draw a bar diagram for 6 x 9.
You should have 6 boxes with 9 in each box and a total of 54 at the top.
Write an expression to represent how many books Ms. Gage has if she puts 4 books on each of the 3 shelves in the library.
How many books does she have?
3 x 4
12 books
What is the name of the property that says any number times 1 equals the same number?
The Identity Property
9 x 6 = ?
54
Write and solve an equation for 6 rows of 1.
6 x 1 = 6
Draw a bar diagram for 4 x 10.
You should have 4 boxes with 10 in each box and a total of 40 at the top.
Write an expression that show the total number of Happy Meals Mr. K needs to buy if each of the seven 3rd grade classes order 2 meals.
How many meals should he order?
7 x 2
14 Happy Meals
3 x 0 = ?
0
What is true about the digit in the ONES place when you multiply x 5?
The digit in the ones place will always be a 0 or a 5.
Write and solve an equation for 8 rows of 9.
8 x 9 = 72
Draw a bar diagram for 5 x 7.
You should have 5 boxes with 7 in each box and a total of 35 at the top.
Write an expression to show how many piggy banks Mr. Anthony collected if 8 students each gave him 2 piggy banks.
How many piggy banks did he collect?
8 x 2
16 piggy banks
____ x 1 = _____
OR
1 x ____ = _____
Count by 9s to 90
9, 18, 27, 36, 45, 54, 63, 72, 81, 90