The squirrel collected 3 rows of 4 first. Then he collected 2 more rows of 4. Now he has 5 rows of 4.

Size: px

Start display at page:

Download "The squirrel collected 3 rows of 4 first. Then he collected 2 more rows of 4. Now he has 5 rows of 4."

Bartholomew Cunningham
5 years ago
Views:

1 Answer Key

Name: Mid-Module 1 Review 1. A squirrel collected acorns. He collected 3 rows of 4 acorns. a. Draw an array that represents the squirrel s acorns.

- Use x s to show his new acorns on the array in Part (a). - Fill in the blanks below to show how he added the five rows.

Then he collected 2 more rows of 4. Now he has 5 rows of 4. c. Find the total number of acorns the squirrel collected.

2 Name: Mid-Module 1 Review 1. A squirrel collected acorns. He collected 3 rows of 4 acorns. a. Draw an array that represents the squirrel s acorns. Use a circle to show each acorn. Topics: A, B, & C x x x x x x x x b. The squirrel adds 2 more rows of acorns to his collection. - Use x s to show his new acorns on the array in Part (a). - Fill in the blanks below to show how he added the five rows fours + fours = fours - Write a sentence to explain your thinking. The squirrel collected 3 rows of 4 first. Then he collected 2 more rows of 4. Now he has 5 rows of 4. c. Find the total number of acorns the squirrel collected. R1 R2 R3 R4 R5 4, 8, 12, 16, 20 d. Write a multiplication sentence to describe the array representing the total number the squirrel collected. 5 x 4 = 20 2

Draw an array to show how many seeds she has now. x x x x x x x x x x c. Lilly figured out how many seeds she planted. Her work is shown in the box below.

3 Mid-Module 1 Review 2. Lilly plants 15 seeds in her garden. She plants them in 3 rows. a. Fill in the blanks below to make a true division sentence. What does the answer represent? = Topics: A, B, & C b. Lilly adds 2 more identical rows of seeds to her original 3 rows. Draw an array to show how many seeds she has now. x x x x x x x x x x c. Lilly figured out how many seeds she planted. Her work is shown in the box below. Would Lilly get the same results if she multiplied 7 x 3? Explain why or why not. (3 x 5) + (2 x 5) = = 25 No, she would not get the same answer! 7 x 3 = 21. If you look at her work, her answer was is different from 25. 3

Name: Mid-Module 1 Review 1. A mouse collected 3 rows of 8 slices of cheese. a. Draw an array to represent the slices of cheese. Use a triangle to show each slice. Topics: A, B, & C b.

3 2 5 eights + eights = eights - Write a sentence to explain your thinking. The mouse collected 3 rows of 8 first. Then he collected 2 more rows of 8. Now he has 5 rows of 8. c. Find the total number of cheese slices the mouse collected.

4 Name: Mid-Module 1 Review 1. A mouse collected 3 rows of 8 slices of cheese. a. Draw an array to represent the slices of cheese. Use a triangle to show each slice. Topics: A, B, & C b. The mouse added 2 more rows of 8 slices. - Use circles to show the new cheese slices on the array in Part (a). - Fill in the blanks below to show how he added the 5 rows eights + eights = eights - Write a sentence to explain your thinking. The mouse collected 3 rows of 8 first. Then he collected 2 more rows of 8. Now he has 5 rows of 8. c. Find the total number of cheese slices the mouse collected. R1 R2 R3 R4 R5 8, 16, 24, 32, 40 d. Write a multiplication sentence to describe the array representing the total number of cheese slices the mouse collected. 5 x 8 = 40 4

Mid-Module 1 Review 2. Sarah plants 25 seeds in her garden. She plants them in 5 rows. a. Fill in the blanks below to make a true division sentence. What does the answer represent?

5 Mid-Module 1 Review 2. Sarah plants 25 seeds in her garden. She plants them in 5 rows. a. Fill in the blanks below to make a true division sentence. What does the answer represent? = Topics: A, B, & C b. Sarah adds 3 more identical rows of seeds to her original 5 rows. Draw an array to show how many seeds she has now. x x x x x x x x x x x x x x x c. Sarah figured out how many seeds she planted. Her work is shown in the box below. Would Sarah get the same results if she multiplied 5 x 8? Explain why or why not. (5 x 5) + (3 x 5) = = 40 Yes, she would get the same answer! 5 x 8 = 40. If you look at her work, ((5x5) + (3x5) is the same as (5 + 3) x 5. Her work shows the new rows of seeds and the old rows of seeds added together. 5

6 Name: End Module 1 Review 1. Josh works a the Tech Shop. He organizes the show room and lines up 20 cell phones on display. 5 rows fit on one shelf. Draw an array to show the total number of cell phones. All Topics a. Fill in the missing factor. Write a sentence telling what it represents. 4 4 is the number of cell phones in each row. 5 x = 20 b. Write a related division sentence to find the number of cell phones on each shelf = 4 6

Josh stacked 18 computer monitors into piles of 6. Draw a picture to show how many piles of computer monitors Josh stacked. How many computer monitors did he stack?

7 computer monitors cell phones Name: End Module 1 Review 2. Josh stacks 18 cell phones into piles. He puts 3 cell phones in each pile. a. Draw a picture to show how many piles of cell phones Josh stacked. How many piles of cell phones does he stack? Page 2 Josh stacked 6 piles of cell phones. b. Josh stacked 18 computer monitors into piles of 6. Draw a picture to show how many piles of computer monitors Josh stacked. How many computer monitors did he stack? Josh stacked 3 piles of computer monitors. c. Draw an array to represent his cell phones. Draw a second array to represent his computer monitors. Explain the relationship between the 2 arrays using number sentences and words. 6 x 3 = 18 3 x 6 = 18 He stacks 18 of both cell phones and computer monitors. The cell phones array shows 3 rows of 6. The computer monitor array shows 6 rows of 3. They arrays are the same, they are just turned different ways, so the factors look switched. But 3 x 6 = 18 and 6 x 3 = 18. 7

Name: End Module 1 Review 3. Josh spread out laptops on the table. They are shown to the right. 10 are black and 10 are silver. This shows how he calculated the total number of laptops.

8 Name: End Module 1 Review 3. Josh spread out laptops on the table. They are shown to the right. 10 are black and 10 are silver. This shows how he calculated the total number of laptops. Page 3 (2 x 5) + (2 x 5) = 4 x 5 a. Use Josh s method to find the total. Explain each step with words. (2 X 5) + (2 X 5) = 4 X = 4 X 5 20 = 4 X 5 Josh adds the black array (2x5) to the white array (2x5) which is (2x5)+(2x5). 2+2=4 and each 2 is multiplied by 5. So (2x5) + (2x5)=4x5. 2x5=10 and 10+10= laptops He has 20 laptops. b. Josh notices that 1 row of the 5 laptops are scratched. Fill in the unknowns below to describe how many are scratched and how many are not scratched. 4 x 5 = 3 x x 5 not scratched scratched 8

Is his method correct? Why or why not? Yes, 10 = 50 5. 50 is the unknown in his division problem, just like it was the unknown answer in the multiplication problem in part (a). c. If he had credit to purchasee and install 80 apps, how many credits were left after he downloaded the apps on the 10 tablets?

9 Name: End Module 1 Review 4. Josh downloads apps on the new tablets. Each tablet needs 5 tablets downloaded. He downloads apps on 10 tablets. Page 4 a. Draw a picture and write a multiplication sentence to find the total number of apps he installed on the 10 tablets. 10 x 5 = 50 b. Josh used the equation 10 = 5 to figure out how many apps he needs. Is his method correct? Why or why not? Yes, 10 = is the unknown in his division problem, just like it was the unknown answer in the multiplication problem in part (a). c. If he had credit to purchasee and install 80 apps, how many credits were left after he downloaded the apps on the 10 tablets? = 20 He has 20 apps left. d. Josh boxes the 10 tablets. Each box fits 2. Draw a picture and write a number sentence to show how many boxes he fills = 5 Josh fills 5 boxes. 9

10 Name: End Module 1 Review 5. Complete as many problems as you can in 100 seconds. Your teacher will time you and tell you when to stop. Page 5 4 x 3 = x 3 = = 5 2 x 2 = = x 4 = 2 x = = 5 x = 15 3 x 3 = 3 1 = 3 4 x 1 = = 2 2 x 3 = 6 10 x 2 = 20 5 x 9 = = 8 10 x 8 = 80 2 x 9 = = 9 2 x 5 = = = 5 10 x 6 = 60 5 x 6 = 30 4 x 7 = = 7 3 x 8 = 24 5 x 8 = = 8 2 x 6 = x 7 = 70 4 x 6 = = 7 3 x 7 = 21 10

11 Name: End Module 1 Review 1. Jeff works a the Photo Lab. He organizes the photographs and lines up 30 photographs on display. 5 rows fit on the display. Draw an array to show the total number of photographs. All Topics a. Fill in the missing factor. Write a sentence telling what it represents. 6 5 x = 30 There are 6 photographs in each row. b. Write a related division sentence to find the number of photographs in each row = 6 11

12 female male Name: End Module 1 Review 2. Jeff grouped 24 male students for their school portraits. He placed 4 students in each group. a. Draw a picture to show how many groups of male students Jeff created. How many groups of students did he create? Page 2 Jeff created 6 groups of male students. b. Next Jeff placed 24 female students in groups of 3. Draw a picture to show how many groups Jeff created. How many groups did Jeff create? Jeff created 3 groups of female students. c. Draw an array to represent the male students. Draw a second array to represent the female students. Explain the relationship between the 2 arrays using number sentences and words. 4 x 6 = 24 He groups 24 of both male and female students. The male student array shows 4 rows of 6. The female student array shows 6 rows of 4. They arrays are the same, they are just turned different ways, so the factors look switched. But 4 x 6 = 24 and 6 x 4 = x 4 = 24 12

(3 X 4) + (3 X 4) = 6 X 4 12 + 12 = 6 X 4 24 = 6 X 4 24 picture frames Jeff adds the dark brown array (3x4) to the light brown array (3x4) which is (3x4)+(3x4).

13 Name: End Module 1 Review 3. Jeff spread out picture frames on the table. They are shown to the right. 12 are dark brown and 12 are light brown. This shows how he calculated the total number of picture frames. (3 x 4) + (3 x 4) = 6 x 4 Page 3 a. Use Jeff s method to find the total. Explain each step with words. (3 X 4) + (3 X 4) = 6 X = 6 X 4 24 = 6 X 4 24 picture frames Jeff adds the dark brown array (3x4) to the light brown array (3x4) which is (3x4)+(3x4). 3+3=6 and each 3 is multiplied by 4. So (3x4) + (3x4)=6x4. 3x4=12 and 12+12=24. He has 24 picture frames. b. Jeff sold 2 rows of the 24 picture frames. Fill in the unknowns below to describe how many are sold and how many are not sold. 6 x 4 = 4 x x 4 not sold sold 13

Josh used the equation 10 = 4 to figure out how many photos he needs. Is his method correct? Why or why not? Yes, 10 = 40 4.

14 Name: End Module 1 Review 4. Jeff organized candid photos for the school year book. Each page needs 4 photos. He adds photos to 10 pages. a. Draw a picture and write a multiplication sentence to find the total number of photos he added to the 10 pages. Page 4 10 x 4 = 40 b. Josh used the equation 10 = 4 to figure out how many photos he needs. Is his method correct? Why or why not? Yes, 10 = is the unknown in his division problem, just like it was the unknown answer in the multiplication problem in part (a). c. Jeff has 100 photos to choose from. How many photos will he have left after he adds the 40 photos to the pages? = 60 He has 60 photos left. d. Jeff completes 25 yearbooks and places them in boxes. Each box fits 5 yearbooks. Draw a picture and write a number sentence to show how many boxes he fills = 5 Jeff fills 5 boxes. 14

Name: End Module 1 Review 5. Complete as many problems as you can in 100 seconds.

3 1 = 3 4 x 1 = 4 10 5 = 2 2 x 3 = 6 10 x 2 = 20 Page 5 28 7 8 40 8 4 x 7 = 14 2 = 3

45 32 4 = 8 10 x 8 = 80 2 x 9 = 18 27 3 = 9 4 x 3 = 12 10 x 3 = 30 15 3 = 5 2 x 2 =

15 Name: End Module 1 Review 5. Complete as many problems as you can in 100 seconds. Your teacher will time you and tell you when to stop. 3 1 = 3 4 x 1 = = 2 2 x 3 = 6 10 x 2 = 20 Page x 7 = 14 2 = 3 x = 24 5 x 8 = = 2 x 6 = x 7 = 70 4 x 6 = = 5 3 x 8 = 21 5 x 9 = = 8 10 x 8 = 80 2 x 9 = = 9 4 x 3 = x 3 = = 5 2 x 2 = = 8 10 x 4 = 40 2 x 4 = = 4 5 x 3 = 15 3 x 3 = 9 2 x 5 = = = 5 10 x 6 = 60 5 x 6 = 30 15

16 Name: Record your answers to problems 1-9 in the boxes below. #1 #2 #3 Mid-Module 1 Review Topics: A, B, & C 3 x 2 = = 3 #4 #5 #6 x x x x x x x x Yes 2 x 5 = 10 #7 #8 #9 4 x 5 = = 3 16

17 Name: End-Module 1 Review Record your answers to problems 1-9 in the boxes below. All Topics #1 #2 #3 4 4 #4 #5 # #7 #8 # x 5 = 50 17

18 Clipart & Fonts 18

19 The original purchaser of this document is granted permission to copy for teaching purposes only. If you are NOT the original purchaser, please download the item from my store before making any copies. Redistributing, editing, selling, or posting this item or any part thereof on the Internet are strictly prohibited without first gaining permission from the author. Violations are subject to the penalties of the Digital millennium Copyright Act. View my Blog at: Visit my Teachers Pay Teachers store at: Garden 19

1 st -2 nd Grade. Mix-Freeze-Match. Geometry. (Plane shapes & fractions)

$1 st -2 nd Grade. Mix-Freeze-Match. Geometry. (Plane shapes & fractions)$ 1 st -2 nd Grade Mix-Freeze-Match Geometry (Plane shapes & fractions) Mix-Freeze-Match Purpose: This game gives students an opportunity to develop and use 1 st & 2 nd grade geometry based math vocabulary,