Vocabulary
A ____ is a number that is multiplied by another number.
Factor
6 x 80 = ____
480
How does knowing 2 x 6 help you answer 4 x 6?
You can double the product of 2 x 6 to get 4 x 6
Solve:
2 x 5 x 6
60
Lena has 4 boxes of markers. Each box has 6 markers inside. She buys 8 more markers at the store. How many markers does Lena have in total?
Solution:
Step 1: 4 x 6 = 24 (markers in boxes)
Step 2: 24 + 8 = 32 (total markers)
Answer: 32 markers
A ____ is the product of that number and any whole number.
multiple
5 x 50 = _____
250
How can you decompose 9 x 8 into two equations?
4 x 8 + 5 x 8
3 x 2 x 3
18
A farmer has 36 apples and wants to put them into baskets with 6 apples in each. After filling the baskets, he gives 2 baskets away. How many baskets does he have left?
Solution:
Step 1: 36 / 6 = 6 (baskets filled)
Step 2: 6 - 2 = 4 (baskets left)
Answer: 4 baskets
The _____ is the answer to a multiplication problem.
product
9 x 20 = _____
180
Decompose 60 x 5
Example: 6 x 10 x 5
6 x 4 x 2
48
A school is planning a field trip. There are 24 students in one class and 16 students in another class. If each bus can hold 8 students, how many buses do they need?
Solution:
Step 1: 24 + 16 = 40 (total students)
Step 2: 40 / 8 = 5 (buses needed)
Answer: 5 buses
A ______ is an arrangement or sequence of numbers according to a rule or structure.
pattern
6 x 70 = ____
420
Decompose 3 x 40 into a new equation
3 x 4 x 10
7 x 5 x 2
70
A bakery made 50 cupcakes. They sold 20 in the morning. If they put the remaining cupcakes into boxes of 5, how many boxes can they fill?
Solution:
Step 1: 50 - 20 = 30 (cupcakes left)
Step 2: 30 / 5 = 6 (full boxes)
Answer: 6 boxes
A representation that shows the relationship between the numbers in a problem and the unknown is a...
bar diagram
9 x 80 = _____
720
What pattern do you see in products of 5?
Example: all products end in 0 and 5, odd/even/odd/even
10 x 4 x 2
80
A book fair has 7 shelves, and each shelf holds 9 books. If 15 books are sold, how many books are left?
Solution:
Step 1: 7 x 9 = 63 (total books)
Step 2: 63 - 15 = 48 (books left)
Answer: 48 books