Mental Math Division
Estimation
Understanding the remainder
Partial Quotient
Word Problems
100

250 ➗ 5

50

100

358 ➗ 4

320 ➗ 4 = 80

360 ➗ 4 = 90

Both are acceptable ESTIMATES!

100

What is the remainder?

56 ➗ 6 = 

2

100

Solve:

486 ➗ 6 = 

80 + 1 = 81


100

Susan is making a halloween costume for her friends. She has 13 yards to orange fabric, and 14 yards of black fabric. Each costume requires 5 yards of fabric. How many costumes can she make?  How many more yards does she need to make the final costume?

13 + 14 = 27 yards

27 ➗ 5 = 5 r 2

She needs 3 more yards to make the final costume

200

3,200 ➗ 8

400

200

467 ➗ 9

450 ➗ 9 = 50

200

What is the remainder?

64 ➗ 3 = 

r = 1
200

Solve:

564 ➗ 2 = 

200 + 80 + 2 =


282

200

Jonny and three friends are going on a road trip.  They packed 10 PB&J's, 13 ham and cheese and 5 bologna and cheese sandwiches.  How many sandwiches does each friend get?

10 + 13 + 5 = 28 sandwiches

28 ➗ 4 = 7

7 sandwiches each

300

64,000 ➗ 8

8,000

300

5,673 ➗ 6

5,400 ➗ 6 = 900

300

What is the remainder?

765 ➗ 2 = 

r= 1

300

3,489 ➗ 3 = 

1,000 + 100 + 60 + 3 =

1,163

300
There are 256 students in the 5th grade at Hufflepuff Academy waiting to earn their wand certification. They are together in groups of 6.  How many groups are there in total. How many are in the last group?

256 ➗ 6 = 42 r 4

There are 43 groups and 4 students in the last group.

400

360 ➗ 6

60

400

7,123 ➗ 8 = 

7,200 ➗ 8 = 900

400

What is the remainder?

372 ➗ 5 = 

r = 2

400

798 ➗ 4 = 

100 + 90 + 9 =

199 r 2

400
The Pizza Parlor gives customers a free pizza when they collect 8 coupons.  How many pizzas can Howie get if he has 78 coupons.  How many MORE coupons does he need to get the next free pizza?

78 ➗ 8 = 9 r 6

How can get 9 free pizzas and he needs 2 more coupons to get the next free pizza!

500

350 ➗ 7

50

500

478 ➗ 6 = 

480 ➗ 6 = 80

500

What is the remainder?

788 ➗ 8 = 

r = 4

500

345 ➗ 5 = 

60 + 9 =

69

500

Mr. Smith uses 9 nails to secure each board on his new deck.  If there are 600 nails in each box, ABOUT how many boards can Ms. Smith secure.  Use ESTIMATION to assist you.  

600 ➗ 9 =

540 ➗ 9 =  60

About 60 BOARDS

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