8-28-24 Arrays Math lesson 4.4C

Multiple Choice

What is 40 x 20

• 80

• 800

• 8,000

• 80,000

Fill in the Blank

Solve:

200 x 30 = __________

,

Match

Match the following equations with their products.

• 4 x 60 =

• 300 x 7 =

• 6,000 x 3=

• 900 x 300

• 400 x 70=

240

2,100

18,000

270,000

28,000

• 240

• 2,100

• 18,000

• 270,000

• 28,000

​Relating Arrays to Base-Ten Blocks

Multiple Choice

Alonzo arranged stamps in his stamp collection as shown by the array.

Write an expression that can be used to find how many stamps Alonzo has in his collection.

• 15 x 15 = 221

• 13 x 14 = 182

• 15 x 15 = 225

• 14 x 14 =196

Dropdown

Sasha started to draw an array to help her solve a math problem.

She drew one full row and full column of the array, as shown.

If she completed the array, the equation to represent her problem would be ​

Select answer

Multiple Choice

Which expression matches the array provided?

• 12 x 12 = 144

• 11 x 13 = 143

• 11 x 12 = 121

• 11 x 13 = 23

Multiple Choice

Select the equation that describes the array.

• 15 x 14 = 220

• 16 x 14 = 224

• 14 x 16 = 244

• 14 x 15 = 210

Multiple Select

Which of the following equations represent perfect squares? Select all that apply.

• 11x11=121

• 12x13=156

• 14x14=196

• 12x12=144

• 11x13=143

Multiple Choice

Which array represents a perfect square?