Area Model
List the steps on how to solve using area model.
2. split it up
3. fill the numbers in
4. solve the equations
5. add up the answers
A student wrote (60 x 4) + (8 x 4) to solve a multiplication problem. What was the original multiplicaiton problem they were solving?
68 x 4
Mrs. Rogers reads 15 pages of his book every day. How many total pages does he read in 6 days?
90 pages
Question: Complete the pattern to show how place value changes
3 x 9 = 27
30 x 9 = ___
300 x 9 =___
270
2,700
Mr. V orders 38 pizzas for Robinson students. Each pizza is cut into 8 slices. Will there be enough pizza for 312 students to each get one slice?
No, there is only 304 slices.
What is 18 x 3
54
Write and solve using expanded form: 54 x 8
432
A bakery sells 24 cupcakes in one box. Ms. Bechner buys 6 boxes, how many cupcakes did they buy?
144 cupcakes
Solve.
8 x 6 =____
80x 6 = ____
800 x 6 =____
48
480
4,800
A cafeteria buys 9 crates of apples. Each crate holds 85 apples. The cafeteria staff uses 250 apples to make apple juice. How many apples are left?
515 apples
What is 27 x 5
135
Fill in the missing number: To solve 83 x 7, you calculate (___ x 7) + (___ x 7).
(80 x 7) + (3 x 7) = 581
560 + 21 = 581
An amusement park ticket costs $35. Mrs. Schmidt brings 8 of her family members, how much will it cost for them to get into the park?
$280
Solve.
8 x 7
80 x 7
8 x 70
800 x 7
56
560
560
5,600
Maya saves $45 each month for 7 months. She then buys a bike for $180. How much money does she have left over?
$135
What is 43 x 8
344
Solve 96 x 8 using expanded notation.
768
A school bus can carry 48 students. If 7 fully packed buses go on a field trip to a Benson Boone concert, how many total students are going?
336 students
Solve
4 x 5
4 x 50
40 x 5
40 x 50
20
200
200
2,000
An orchard has 8 rows of apple trees with 36 trees in each row, and 4 rows of peach trees with 27 trees in each row. How many total trees are in the orchard?
396 trees
476
A student tried to solve 78 x 6 using expanded notation and wrote: (70 x 6) + (8 x 6) = 420 + 54 = 474.
Is this correct? If not, find the mistake and give the correct answer.
Incorrect. The student made a multiplication mistake on (8 x 6) (it equals 48, not 54). The correct answer is 420 + 48 = 468
Mr. Sprague uses 78 pounds of coffee beans each week at his cafe. How many pounds of coffee will he use in 9 weeks?
702 pounds of coffee
A mystery basic fact follows the pattern:
Basic Fact: (A x B) = 40
Step 1: (A0 x B) = 400
Step 2: (A00 x B) = C
Possible answers
4 x 10 or 5 x 8
40 x 10 or 50 x 8
400 x 10 or 500 x 8 = 4,000
A movie theater has 7 auditoriums. Each auditorium has 88 seats. On Friday night, 580 people buy tickets to see movies. How many empty seats are left in the theater?
36 seats