3rd Math Review Nov. 25

Addition/Subtraction

100

Find the sum: 7,855 + 290 = 

What is 8,145?

200

Fill in the blank:   4,300 - ________ = 2,400

What is 1,900? 

300

Find the difference: 3,432 - 236 =

What is 3,196? 

400

Find the difference: 

3,900 - 1,589 =

What is 2,311?

500

Vera won 6,042 tickets at the arcade. The next day she won 592 more. How many tickets did Vera win in all? 

What is 6,634 tickets? 

Rounding/Place Value

100

What is 4,590 rounded to the nearest 100?

What is 4,600?

200

List 3 numbers that would round to 3,400, if you were rounding to the nearest hundred.

Many answers! 

300

Round to the nearest 10 and 100:

2,683: 

What is 

Nearest 10: 2,680

Nearest 100: 2,700

400

Round to the nearest 1000:

45,289

What is 45,000? 

500

Round 83,762 to the nearest 10, 100 and 1000

What is:

Nearest 10 -- 83,760

Nearest 100 -- 83,800

Nearest 1000 -- 84,000

Arrays

100

Which of the following lists all of the arrays that would work for the number 18?

a. 18 x 1

b. 18 x 1, 3 x 6, 2 x 10

c. 18 x 1, 2 x 9, 3 x 6

d. 2 x 9, 3 x 6

c. 18 x 1, 2 x 9, 3 x 6

200

Draw TWO arrays that you can make with the number 20. 

1 x 20, 2 x 10, 4 x 5

300

Can you make more than one array with the number 17? Prove your answer.

What is No, 17 is a prime number so you can only make 1 x 17. 

400

Ty has 24 pieces of Halloween candy.  He says he can make an array with 8 rows and 4 in each row.  Is he correct? Explain.

What is No, Ty is not correct because 8 x 4 = 32. He would need 8 rows of 3, or 6 rows of 4. 

500

Wendy planted two gardens. One garden had 6 rows with 8 flowers in each row.  The other had 3 rows with 5 flowers in each row. How many flowers did she have in all? 

What is 63 flowers?

Counting Coins!

100

Rylie has 3 quarters, 7 dimes and 3 nickels. How much money does she have? 

What is $1.60?

200

How many quarters are equal to $4.50?

What is 18 quarters?

300

Geraldine had $50.00 and she bought three books that each cost $6.25. How much money did she have left? 

What is $31.25?

400

Find the total: 

Two 10 dollar bills

7 quarters

6 nickels

3 pennies

What is $22.08?

500

Find the total:

9 quarters

9 dimes

9 nickels

9 pennies

What is $3.69? 

Mrs. King's Choice

100

How many degrees are in a right angle? 

What is 90 degrees?

200

What is the elapsed time between 8:00am and 3:56 pm? 

What is 7 hours and 56 min? 

300

What has your favorite part about HA math been so far this year? 

What is....??? 

400

What is 300 x 8,000?

What is 2,400,000? 

500

A music store is having its “Black Friday” sale. The store will give $5 off for the second item a customer purchases. Emma wants to buy a pair of headphones for $25 and a CD for $18.50. How much does she need to pay in total?

What is $38.50?