Mental Math
2 digits by 1
Estimate
3 digits by 1
What's the Story?
100

100 divided by 10

10

100
23 divided by 4
What is 5R3
100

523 divided by 6

Around 90

100

258 divided by 2

What is 129

100

Sally shared 18 lollipops with 5 people. How many lollipops did each person get? What does the remainder mean?

3 lollipops and there are 3 leftover

200

320 divided by 8

40

200
37 divided by 7
What is 5R2
200

148 divided by 7

Around 20

200

392 divided by 3

What is 130R2

200

Jack split his 48 pieces of Valentine Candy into 4 equal groups. How much candy is in each group?

12 pieces of candy

300

6400 divided by 80

80

300
51 divided by 6
What is 8R3
300

344 divided by 6

Around 60

300

673 divided by 3

What is 224R1

300

Mrs. Burns wants to buy a new computer for $784. She's going to make it in 4 payments. What is the cost of one payment?

$196

400

700 divided by 7

100

400
43 divided by 9
What is 4R7
400

111 divided by 2

Around 60

400

889 divided by 6

What is 148R1

400

Nathan has 79 baseball cards that he wants to display in a collector's book. Each page can hold exactly 6 cards. How many pages would he need? Interpret the remainder.

13 pages with 1 card leftover

500

1200 divided by 40

30

500
87 divided by 9
What is 9R6
500

735 divided by 8

Around 90

500

966 divided by 8

What is 120R6

500

493 people signed up for the HA Auction dinner. Each table can seat 9 people. How many tables are need?

55 tables

M
e
n
u