Multiplying by tens & more checkpoint 4th grade

Mrs. Hudson has 15 girls and 10 boys in her class. Each girl brought 10 pencils. Each boy brought 16 pens.

How many total pens and pencils does Mrs. Hudson's class have?

Which answer shows how to find the correct answer?

• (15 x 10) - (10x16)

• (15 x 10) x (10 x 16)

• (15 x 10) + (10 x 16)

Tags

CCSS.3.OA.D.8

For the problem 23 x 10, which of the following statements is NOT correct.

• 23 x 10 is 23 tens

• 23 x 10 is 10 twenty-threes

• 23 x 10 is 23 add 0

• 23 x 10 has to be more than 200 because 20 x 10 = 200

Tags

CCSS.5.NBT.A.2

86 x 30 = _____ x 3 x 10

What belongs in the blank?

• 80

• 86

• 6

Tags

CCSS.4.NBT.B.5

53 x 40 = 53 x 4 x _____

What belongs in the blank?

• 53

• 50

• 10

Tags

CCSS.3.OA.B.5

64 x 50 = 64 x ____ x 10

What belongs in the blank?

• 50

• 5

• 10

Tags

CCSS.4.NBT.B.5

The area of a rectangle is 12.  List all of its possible demensions.

(a)  

Tags

CCSS.3.MD.D.8

The area of a rectangle is 15. Which answer contains all the possible dimensions?

• 1 x 15

  2 x 7

• 1 x 15

  3 x 5

• 1 x 15

  4 x 5

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Fill in the blank -

_______ X 56 = 5,600

• 10

• 100

• 1,000

Tags

CCSS.5.NBT.A.2

Fill in the blank - ( More than one correct answer)

40 x 25 = _______

• 4 x 25 x 10

• 100

• 1,000

• 4 x 25 x 100

Tags

CCSS.4.NBT.B.5

82 x 1,000 = __________

• 8,200

• 82,000

• 820,000

Tags

CCSS.5.NBT.B.5