WL Review - The Return!

Prime Factorization & LCM

100

Find the LCM of 3 and 5

What is 15?

200

What is the prime factorization of 42? 

What is 2 x 3 x 7?

300

Find the LCM of 18 and 24

What is 72?

400

What is the prime factorization of 112? 

What is 2 x 2 x 2 x 2 x 7 or 2⁴ x 7¹?

500

Find the LCM of 9, 15 and 20

What is 180?

Add/Subtract Fractions

100

4/7+2/7=?

What is 6/7?

200

2/3-4/7=?

What is 2/21?

300

3 1/4 + 5 2/8 =? 

What is 8 1/2?

400

3 3/8 + 4 2/3=? 

What is 8 1/24?

500

3 2/9 - 1 4/7 =? 

What is 1 41/63?

Reduce Fractions

100

Reduce: 6/12

What is 1/2?

200

Reduce: 20/70

What is 2/7?

300

Reduce: 36/42

What is 6/7?

400

Reduce: 12/108

What is 1/9?

500

Reduce: 98/14

What is 7?

Place Value/Rounding

100

Place value represented by 2 in 326.54

What is tens?

200

Round 280 to the nearest hundreds

What is 300?

300

Round 486.345 to the nearest hundredth

What is 486.35?

400

Juan has 3 $10 bills, 4 $1 bills and 9 nickels. Round the total amount of money Juan has to the nearest dollar. 

What is $34?

500

• If you round me to the nearest ones, I round down

• If you round me to the nearest tenths, I round down

• If you round me to the nearest hundredths, I round up

Who am I? 

2.457? 3.228? or 12.824? 

What is 3.228? 

Add/Subtract/Multiply Decimals

100

2.5+3.2=?

What is 5.7?

200

2.35-0.58=? 

What is 1.77?

300

2.35 x 4.75 =? 

What is 11.1625?

400

2.25 - 4.8 x 0.25=?

What is 1.05?

500

A bottle of Pepsi costs $2.53 and Jose buys 3 bottles. He gives the cashier a $10 bill to pay for the 3 bottles. How much change did Jose get back? 

What is $2.41?