TE21 #1 Review 1

Rounding Rodeo

100

Round 3,499,854 to the nearest thousand.

3,500,000

200

What place value do you round 4,546,743 to for the answer to be 4,500,000?

The hundred thousands place

300

Why does the nextdoor number determine whether you round up or stay home?

The nextdoor number tells us whether we are in the higher or lower half of the number.

400

Explain why rounding up from 9 can be tricky

When you round up from 9, you can't go any higher in that place value, so you have to go to the next highest place value and round up 1!

500

Round 5,899,987 to the nearest hundred.

5,900,000

Multiplication Mania

100

What problem is solved here? 

(5 x 3,000)+(5 x 400)+(5 x 60)+(5 x 9)

5 x 3,469

200

What problem is solved here?

(20 x 50)+(20 x 8)+(7 x 50)+(7 x 8)

27 x 58

300

Solve

49 x 86

4,214

400

Solve

6 x 8,976

53,856

500

Solve 

68 x 79

5,372

Lotta Problems Gotta Solve Em

100

The cast of Annie needs to raise $5,000 to produce the show. If 6 cast members raise $698 each, how much more money does the cast need to raise?

The cast needs to raise $812 more.

200

Lily has 6 bracelets with 37 blue beads each and 4 bracelets with 48 red beads each. How many red and blue beads are on Lily's bracelets altogether?

Lily's bracelets have 414 red and blue beads altogether.

300

Stephan made a craft using rubber bands and pom poms. Stephan used 40 pom poms. Stephan used 8 times as many pom poms as he did rubber bands. How many rubber bands did Stephan use?

Stephan used 5 rubber bands.

400

All 9 high schools in the district have football teams. Only 5 of those schools also have baseball teams. Each football team has 13 players. Each baseball team has 9 players. How many total baseball and football players are there in the district?

The district has a total of 162 baseball and football players.

500

There are 54 people in the library right now. There are 6 times as many people in the library as there are in the office. How many people are in the office?

9 people are in the office.

Multiple Madness

100

Which of the following numbers is prime?

A. 51

B. 57

C. 41

D. 87

41 is prime because there are no factor pairs for it besides 1 x 41. 

51 is 3 x 17

57 is 3 x 19

87 is 3 x 29

200

List the first 12 multiples of 7

7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84

300

Which of the following is NOT a factor pair for 48?

A. 3 x 16

B. 2 x 24

C. 7 x 7

D. 4 x 12

C. 7 x 7 is equal to 49

400

Part A: What is the definition of a composite number?

Part B: All even numbers are composite except ___

Part A: A composite number is a number that has at least one factor pair BESDIES 1 x itself

Part B: 2

500

Find all factor pairs for the number 48 (there are 5)

1 x 48

2 x 24

3 x 16

4 x 12

6 x 8

Anything goes

100

Sort these numbers from least to greatest:

4,673,890

4,763,809

4,673,809

4,673,809<4,673,890<4,763,809

200

Write the expanded notation of 6,984,379

(6 x 1,000,000) + (9x100,000) + (8x10,000) + (4x1,000) + (3x100) + (7x10) + (9x1)

300

How does the value of the 4 in 438 compare to the value of the 4 in 1,343

The value of the 4 in 438 is 10 times greater than the value of the 4 in 1,343

400

Write the word form of 4,503,089

Four million, five hundred three thousand, eighty nine

500

7 apples were left behind in the cafeteria today. 4 times as many oranges were left behind than apples. How many oranges were left behind in the cafeteria today?

28 oranges