Arrays
Draw an array for the problem: 10 X 7
See Teacher Notebook for array drawing
Answer the problem 3 X 12 by doubling the first factor and halving the second factor.
3 X 12
6 X 6 = 36
Solve the problem 12 X 5 using a break apart method.
Show your work.
12 X 5
10 X 5 = 50
2 X 5 = 10
Final answer: 60
Johnny Appleseed planted 5 trees. Each tree sprouted 9 apples. How many apples did Johnny have in total?
5 trees X 9 apples per tree = 45 apples total
Answer the problem: 9 X 10
90
Draw an array for the equation: 15 X 6
90, See Teacher Notebook for array drawing
Answer the problem 5 X 24 by doubling the first factor and halving the second factor.
5 X 24
10 X 12 = 120
Solve the problem 17 X 7 using a break apart method.
Show your work.
17 X 7
10 X 7 = 70
7 X 7 = 49
Final Answer: 119
Michelle goes to 26 houses on Halloween. She receives 4 pieces of candy at every house. How much candy did she collect on Halloween?
26 houses X 4 pieces per house = 104 pieces total
Answer the problem: 4 X 50
200
Draw an array for the problem: 30 X 10
Make sure to break apart your array into 5's
300, See Teacher Notebook for array drawing
Answer the problem 4 X 30 by doubling the first factor and halving the second factor.
4 X 30
8 X 15 = 120
Solve the problem 15 X 15 using a break apart method.
Show your work.
15 X 15
10 X 15 = 150
5 X 15 = 75
Final Answer: 225
Mrs Drescher runs 4 miles every day. If she runs 35 days in a row, how many miles in total did she run?
4 miles per day X 35 days = 140 miles total
Answer the problem: 7 X 90
630
Answer the problem 25 X 15 with an array drawing.
375, See Teaching Notebook for array drawing
Answer the problem 8 X 40 by doubling the first factor and halving the second factor.
8 X 40
16 X 20 = 320
Solve the problem 24 X 9 using a break apart method.
Show your work.
24 X 9
10 X 9 = 90
10 X 9 = 90
4 X 9 = 36
final answer: 216
Ms thaves has 123 cupcakes, and she wants to divide them equally between the 6 fourth grade classrooms at Altoona Intermediate School. How many cupcakes does each class receive?
Hint: What do you do with the remainder?
123 cupcakes / 6 fourth grade classrooms =
20 cupcakes per class
3 cupcakes leftover
Answer the problem: 80 X 70
5,600
Solve the problem 96 X 6 by using an array.
576, See Teacher Notebook for array drawing
Answer the problem 15 X 4,000 by doubling the first factor and halving the second factor.
15 X 4,000
30 X 2,000 = 60,000
Solve the problem 56 X 6 using a break apart method.
Show your work.
56 X 6
10 X 6 = 60
10 X 6 = 60
10 X 6 = 60
10 X 6 = 60
10 X 6 = 60
6 X 6 = 36
Final Answer: 336
Altoona Intermediate school decides to go on a field trip with 98 children. If each van holds 6 children, how many buses does the school need?
98 children / 6 children per van =
16 vans 2 leftover children
Final answer: 17 vans
Answer the problem: 90 X 900
81,000