Math Quizizz Unit 2 Review

How do you solve:
 $120\times2=$  

• 12x2=24, then add a 0 to the end to get 240

• 12+2=14, then put a 0 in the middle to get 104

• 12-2=10, then add a 0 to the end to get 100

Tags

CCSS.4.NBT.B.5

How do you solve:
 $30\times7=$  

• 3x7=21, then add a 0 to the end to get 210

• 3+7=10, then put a 0 in the middle to get 100

• 3x7=37, then add a 0 to the end to get 370

Tags

CCSS.4.NBT.B.5

How do you solve:
 $6\times50=$  

• 6x5=30, then add a 0 to the end to get 300

• 5+6=11, then put a 0 in the middle to get 101

• 6x5=65, then add a 0 to the end to get 650

Tags

CCSS.4.NBT.B.5

How do you solve:
 $6\times90=$  

• 6x9=54, then add a 0 to the end to get 540

• 9+6=15, then put a 0 in the middle to get 105

• 9x5=95, then add a 0 to the end to get 950

Tags

CCSS.4.NBT.B.5

There are 388 student elves in the 3rd grade at North Pole Elementary. What is 388 rounded to the nearest HUNDRED?

• 400

• 300

• 350

• 390

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

There are 388 student elves in the 3rd grade at North Pole Elementary. What is 388 rounded to the nearest TEN?

• 400

• 300

• 350

• 390

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Santa's workshop had 165 elves working on toy trains. There were 106 more elves working on dolls than on trains. How many elves were working on dolls?

• 271

• 261

• 281

• 371

Tags

CCSS.3.OA.D.8

Santa's workshop had 567 elves building toys. There were 254 more elves wrapping gifts than building toys. How many elves were wrapping gifts?

• 821

• 811

• 721

• 342

Tags

CCSS.4.OA.A.3

 $81-52=$ 

• 29

• 132

• 32

• 19

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

 $83-45=$ 

• 38

• 138

• 32

• 39

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2