Ms. Katie's Cookies
Adding and subtracting arrays
Ms. Katie's Plants
Coins/Points System Rules
100

Ms. Katie baked some miso sesame chocolate chip cookies. She organizes them into 2 rows of 4.

Draw the array, and write a multiplication sentence to describe the array.

OOOO
OOOO

2 x 4 = 8

100

A 10x10 array gets 3 rows of 10 removed from it. Write a multiplication sentence to describe the remaining array.

3x10

100

Ms. Katie is organizing the houseplants in her living room. She gathers them up and organizes them into 3 rows of 5.

Draw the array, and write a multiplication sentence to describe the array.

OOOOO
OOOOO
OOOOO

3x5=15

100

Name one way you can earn points/coins.

Staying focused and on-task (avoiding chitchat).

Finishing assigned work for the day.

Helping others.

Participating in class.

Following all classroom rules (inside voices, raise your hand, etc.)

200

Ms. Katie baked some miso sesame chocolate chip cookies. She organizes them into 2 rows of 4.

Then, Ms. Katie baked some banana marshmallow cookies. She organizes them into 3 rows of 4, and adds them to the array of cookies.

Write a multiplication sentence to describe the banana marshmallow cookies that she added.

3 x 4 = 12

200

A 3x10 array is added to a 5x10 array. Write a multiplication sentence to describe the total array.

8x10

200

Ms. Katie is organizing the houseplants in her living room. She gathers them up and organizes them into 3 rows of 5.

She gathers the houseplants from her kitchen and adds them to the array. She adds 2 rows of 5.

Write a multiplication sentence to describe the houseplants from her kitchen that she added.

2x5=10

200

Name 2 ways you can earn points/coins.

Staying focused and on-task (avoiding chitchat).

Finishing assigned work for the day.

Helping others.

Participating in class.

Following all classroom rules (inside voices, raise your hand, etc.)

300

Ms. Katie baked some miso sesame chocolate chip cookies. She organizes them into 2 rows of 4.

Then, Ms. Katie baked some banana marshmallow cookies. She organizes them into 3 rows of 4, and adds them to the array of cookies.

Complete the equation to describe the total array:

(_ + _) + (_ + _ + _) = _

(4+4) + (4+4+4) = 20

300

A 10x10 array gets 2 rows of 10 added to it.

Write:
A multiplication sentence for the array that was added.
A multiplication sentence for the total array.

Array that was added: 2x10=10
Total array: 12x10=120

300

Ms. Katie is organizing the houseplants in her living room. She gathers them up and organizes them into 3 rows of 5.

She gathers the houseplants from her kitchen and adds them to the array. She adds 2 rows of 5.

Complete the equation to describe the total array.

3 fives + _ fives = _ fives

3 fives + 2 fives = 5 fives

300

What is the 1st warning?

Verbal reminder

400

Ms. Katie baked some miso sesame chocolate chip cookies. She organizes them into 2 rows of 4.

Then, Ms. Katie baked some banana marshmallow cookies. She organizes them into 3 rows of 4, and adds them to the array of cookies.

Complete the equation to describe the total array:
2 fours + _ fours = _ fours

2 fours + 3 fours = 5 fours

400

A 3x7 array gets 2 rows of 7 addeed to it.

Write:
A multiplication sentence for the total array.
An addition sentence that adds the arrays together to get the total size.

Multiplication sentence: 5x7=35
Addition sentence: 21+14=35

400

Ms. Katie is organizing the houseplants in her living room. She gathers them up and organizes them into 3 rows of 5.

She gathers the houseplants from her kitchen and adds them to the array. She adds 2 rows of 5.

Find the total number of houseplants from her living room.
Find the total number of houseplants from her kitchen.
Complete the addition sentence to find the total.
_ + _ = _

15+10=25

400

What is the 2nd warning's consequence?

Losing coins

500

Ms. Katie baked some miso sesame chocolate chip cookies. She organizes them into 2 rows of 4.

Then, Ms. Katie baked some banana marshmallow cookies. She organizes them into 3 rows of 4, and adds them to the array of cookies.

Write a multiplication sentence to describe the total array.

5 x 4 = 20

500

A 9x9 array gets 2 rows of 9 subtracted from it.
Write:
A multiplication sentence for the total array.
A subtraction sentence that subtracts the arrays to get the final size.

Multiplication sentence: 7x9=63
Subtraction sentence: 81-18=63

500

Ms. Katie is organizing the houseplants in her living room. She gathers them up and organizes them into 3 rows of 5.

She gathers the houseplants from her kitchen and adds them to the array. She adds 2 rows of 5.

Complete the equation to describe the array.
25 - _ =15

25 - 10 = 15

500

What is the 3rd warning's consequence?

Talking to parents

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