Make the Arrays

Monday Math Review

Topic 3 Review

#1

Lane uses counters to make a 4x7 array and a 1x7 array. What size array can he make using all of these counters?

Make the 2 arrays on your desk with counters or your dry erase markers!

Lane uses counters to make a 4x7 array and a 1x7 array. What size array can he make using all of these counters?

Multiple Choice

Lane uses counters to make a 4x7 array and a 1x7 array. What size array can he make using all of these counters?

• 4x14

• 5x7

• 4x7

• 5x14

#2

Fred wants to separate the rows of the array into a 2x4 array and a 3x4 array. Can Fred do this?

Draw or make the array on your desk. Use your dry erase marker to separate the array in to rows of 4. Is the other array 3 rows of 4????

Fred wants to separate the rows of the array into a 2x4 array and a 3x4 array. Can Fred do this?

Multiple Select

Fred wants to separate the rows of the array into a 2x4 array and a 3x4 array. Can Fred do this?

• Yes, Fred! Good job, Fred!

• No, Fred! The 4x4 array is too small to separate it into 2x4 and 3x4.

#3

Jillian bought 3 boxes of crayons. Each box had the same number of crayons. How many crayons did Jillian buy?

On your desk use a strategy to find the total number of crayons. Write an equation for the number story.

Multiple Choice

Jillian bought 3 boxes of crayons. Each box had the same number

• 16

• 24

• 32

• 36

#4

Emmitt is grilling hot dogs for a cookout. He has 7 plates and put 4 hot dogs on each plate. Which of the following is NOT a way to find out how many hot dogs Emmitt grilled?

Draw or make on your desk an array that shows 7 rows of 4. Each ROW is a plate with 4 hot dogs on it.

#5

Emmitt is grilling hot dogs for a cookout. He has 7 plates and put 4 hot dogs on each plate. Which of the following is NOT a way to find out how many hot dogs Emmitt grilled?

Use your picture on your desk to match the answer choices below. Remember a NOT question has the answer that is NOT correct!!

Multiple Choice

Emmitt is grilling hot dogs for a cookout. He has 7 plates and put 4 hot dogs on each plate. Which of the following is NOT a way to find out how many hot dogs Emmitt grilled?

Go through each answer choice and see if it works out on your array.

• Make two 4x3 arrays

• Multiply 7x4

• Add 2x7 and 2x7

• Multiply 4x7

#6

Martin studies slugs in science class. He learned each slug has 4 feelers. That evening, he saw 7 slugs. How many feelers did all the slugs have?

Open Ended

#6

Make or draw an array on your desk that has 4 rows and 6 columns. Show 2 different ways that you can split the array using the Distributive Property of Multiplication.

Type below the 2 equations showing how you split the array.

Multiple Choice

#7

Martin studies slugs in science class. He learned each slug has 4 feelers. That evening, he saw 7 slugs. How many feelers did all the slugs have?

• 11 feelers

• 24 feelers

• 28 feelers

• 32 feelers

#8

Mrs. Rives made an array and split it into a 7x2 array and a 7x2 array. What was her large array?

On your desk, make or draw a 7x2 array and a 7x2 array. How can you push these arrays together?

Mrs. Rives made an array and split it into a 2x7 array and a 2x7 array. What was her large array?