Estimate. Tell whether the estimate is GREATER THAN or LESS THAN the actual product.
24 x 31 =
What is 20 x 30 = 600? Less than
100
63 x 46 =
What is 2,898?
100
A football coach orders 30 jerseys for his football team. The jerseys cost $29 each. What is the total cost of the jerseys?
What is $29 x 30 = $870?
200
This property states that the order in which two numbers are multiplied does not change the product.
What is Commutative Property?
200
34 x 80 =
What is 2,720
200
Estimate. Tell whether the estimate is GREATER THAN or LESS THAN the actual product.
48 x 89=
What is 50 x 90 = 4,500? Greater than
200
$72 x 49 =
What is $3,528?
200
Julio scores 18 points in each basketball game. If there are 14 games in a season and Julio continues to score 18 points each game, how many points will Julio Score?
What is 18 x 14 = 252 points?
300
The property states that the grouping of the factors does not change the product.
What is Associative Property?
300
28 x 40 =
What is 1,120?
300
Estimate. Tell whether the estimate is GREATER THAN or LESS THAN the actual product.
37 x 66 =
What is 40 x 70 = 2,800? Greater than
300
26 x 34 =
What is 884?
300
There are 30 students in each class. There are 27 classrooms. How many students are there all together?
What is 30 x 27 = 810 students?
400
18
x 27
------
126 ----->
+360 ----->
--------
486
What are partial products?
400
$45 x 40 =
What is $1,350?
400
Estimate. Tell whether the estimate is GREATER THAN or LESS THAN the actual product.
52 x 84 =
What is 50 x 80 = 4,000? Less than
400
$55 x 41 =
What is $2,255?
400
Tamara makes $12 an hour. She worked 28 hours this week. About how much money will she make?
What is $10 x 30 = $300?
500
The answer to a multiplication problem
What is a product?
500
87 x 20 =
What is 1,740?
500
Estimate. Tell whether the estimate is GREATER THAN or LESS THAN the actual product.
67 x 76 =
What is 70 x 80 = 5,600? Greater than
500
65 x 23 =
What is 1,495?
500
Austin's allowance is $15 per week. He spends $4 each week on baseball cards. How much money will Austin have at the end of 12 weeks?