Module 6
Teresa has 56 pencils. Each student needs 4 pencils. How many students are there? Draw a visual model to show your work.
There are 14 students.
14 groups with 4 pencils in each group.
Use base 10 blocks to represent the division:
52 ÷ 4 =
Answer: 13
Base 10 block representation:
4 groups with 1 ten and 3 ones in each.
The amount leftover after making equal groups is called?
Remainder
Solve:
2,791 + 6,935 =
Answer: 9,726
Solve in less than 10 seconds:
9 x 6 =
Answer: 54
Mr. Chapman has 42 stickers. He puts the stickers equally into 5 bags. How many stickers will be left over?
2 stickers left over.
351 ÷ 2
How many digits will be in the whole-number quotient?
3 digits
What do we call the number we get when we divide a number by another number?
Quotient
Round 35,685 to the nearest hundred.
Answer: 35,700
Solve in less than 10 seconds:
12 x 11 =
Answer: 132
Amanda has 82 inches of wire. She cuts the wire into 6 equal pieces. How long will each piece of wire be?
(Hint: If there is a remainder, write it as a fraction.)
13 1/4 inches
Divide and Check.
7,328 ÷ 6 =
Answer: 1,221 R 2
Check:
1,221 x 6 = 7,326 + 2 = 7,328
What do we call the number we are dividing by?
For example:
21 ÷ 7 = 3
What do we call the 7?
Divisor
Solve:
8,923 - 6,458 =
Answer: 2,465
Solve in less than 10 seconds:
5 x 3 =
Answer: 15
Solve the problem using repeated subtraction.
Amy has 37 pens. She puts 4 pens in each bag. How many bags did Amy make?
9 bags.
37-4=33 21-4=17
33-4= 29 17-4=13
29-4= 25 13-4=9
29-4= 21 9-4=5
5-4=1
Will made 4 batches of cookies for his class. Each batch had 18 cookies. He gives each student 3 cookies. How many students are in his class?
24 students
What do we call the number being divided in a problem?
Dividend
Round to the nearest ten.
4,682
Answer: 4,680
Solve in less than 10 seconds:
6 x 8 =
Answer: 48
Zara is using the distributive property to find 430 ÷ 5. What is the unknown number in Zara's equation?
430 ÷ 5 = (___ ÷ 5) + (30 ÷ 5)
400
Divide and Check
4, 192 ÷ 8 =
Answer: 524
Check:
524 x 8 = 4,192
What do we call numbers that are multiplied together to get a product?
For example:
3 x 4 = 12
What do we call the 3 and 4?
Factors
Solve:
4,897 x 5 =
Answer: 24,485
Solve in less than 10 seconds:
4 x 11 =
Answer: 44