Homework 16. Problem 1. Compare ( <, >, = ). Remember: 1 dm = 10 cm. Problem 2. Calculate in dm. Convert when necessary. Problem 3

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1 Homework 16. Problem 1. Compare ( <, >, = ). Remember: 1 dm = 10 cm 4 cm 9 dm 50 cm 6 dm 8 dm 80 cm 7 dm 70 cm 3 dm 20 cm 70 cm 9 dm Problem 2. Calculate in dm. Convert when necessary. 5 dm + 3 dm = dm 60 cm 1 dm = dm 9 dm 2 dm = dm 4 dm + 30 cm = dm Problem 3 Joanna bought 5 dm of red ribbon and 4 dm of blue ribbon in the craft store. She used 30 cm of her ribbons on the project. How many decimeters of ribbon she has left? Problem 4 Game Climb the mountain. What number will you get on the top? 1

2 Problem 5 Solve the equations and check yourself (circle the biggest number it ll help!) X + 20 = 80 X 30 = X = 20 X= X= X= X= X= X= Check: Problem 6 Check: Check: The mailman had to deliver 4 letters, 7 packages and 5 postcards today. So far he has delivered 6 things. How many more things does he have to deliver? Problem 7 18 children divided themselves into 2 equal teams. How many children are there per team? If 18 children divided themselves into pairs, how many pairs are there? 2

3 Problem 8. Write multiplication expression for each picture below: Problem 10. Calculate the length in cm both by addition and multiplication: 3

4 Problem 12 Color by the scheme, starting from the top: Problem 13 The Vet gives pills to animals. Color the pills that are still in the tube. Pay attention! The tube is sometimes upside down, but the pills are always in the same order. 4

5 Problem 14 Connect the parts that make up the square. Problem 15 Color the small cubes, if the big red cube is between green and yellow, and yellow is: a) To the left of the blue b) To the right of the blue 5

6 Homework 18 Problem 1. Problem 2. Calculate: A boys and B girls went sledding. How many kids are sledding down the hill now? A boys were sledding down the hill. There were B more girls than boys there. How many girls were sledding down the hill? A boys were sledding down the hill. There were B more girls than boys there. How many girls and boys in total were there sledding down the hill? A boys and B girls went sledding. How many more boys than girls were there? A boys were sledding down the hill. There were C less boys there than girls. How many girls were sledding down the hill? A boys and B girls were sledding down the hill. Then C girls went back home. How many kids are still sledding? 6

7 Problem 3. Fill in the missing numbers, so the number on the bottom is always 2 more than the number on the top. And now the bottom number should be 2 times more than the top number. Problem 4. Calculate the problems below, writing them in columns first. Make sure that you write ones under ones and tens under tens. 7

8 Problem 5. Put the right answer into the air bubble for each fish. Use the table you got in class. 8

9 Problem 6. Solve: 9

10 Problem 7. Fill in the table for 0, 1, 2, 3, 4. 10

11 Problem 8. Help the girl go around the town so she walks each road once and only once. Visit every road! Problem 9. Complete the pattern: 11

12 Homework 20. Problem 1. Solve the equations and check your answer. Problem 2. There were 26 leaves on the maple tree branch. In the fall 14 of them turned yellow, 5 turned red and the rest remained green. How many green leaves are on the branch now? yellow red green Problem 3. Grandma bought 10 spools of white yarn, 5 spools of blue yarn, and 2 spools of red yarn. She used 11 spools to knit a sweater to her grandson. How many spools of yarn does she have left? Please make a drawing similar to the one above and show all your work! (not just answer) Problem 4. Compare the numbers in each row. What do you notice? Find the row that does not belong. What is similar for all of the other rows? 12

13 Problem 5. Imagine that we cut 3D shapes below in three parts along the blue lines. Trace the segments of these lines that you can see in red, and parts that you cannot see in green. Color the visible faces of the shapes using different colors. Problem 6. Finish the drawings of the cubes below. Make visible lines bold, and those that you cannot see as dotted lines. 13

14 Problem 7. Winnie the Pooh was practicing addition and subtraction. You can see his answers below. Be a Wise Owl find and fix his mistakes! Problem 8. Problem 9. Solve the problems below. Write expressions, not only answer! 1) We put 30 apples into 5 bags equally. How many apples will be in each bag? 2) 40 lollipops were divided between 5 girls equally. How many lollipops did each girl get? 3) 5 Students solved 20 equations during the lesson. How many each one solved if they all shared work equally? 14

15 Problem 10. Complete the graph according to the picture. birds trees Draw balloons for the kids so that the picture will correspond to the graph on the left. to the balloons kids Make up your own story about the graph below: 15

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17 Problem 11. Cut out the green shapes and put them on the big square following one rule: each shape should only cover one color. Use all the green shapes once and only once. 17

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19 Homework 22. Problem 1. Solve equations below and check your answer: Problem 2. Problem 3. Fill in the missing number Problem 4. The scales on the picture below are balanced. How much does the orange weigh? 19

20 Problem 5. Find the answers with the help of the table or from memory. 20

21 Problem 6. Fill in the addition table below: Solve, circle the big whole, and underline parts in each expression. Problem 7. Solve the problems below. Please write an expression not just the answer! 1) Mom is 37 years old, and Dad is 2 years older. How old is he? 2) Grandpa is 84, which is 12 year older than Grandma. How old is Grandma? 3) John is 11 years old, and his sister Jessica is 15. How many years is John younger than his sister? Problem 8. What pieces should fill yellow spaces below? 21

22 Problem 9. What time is it? 22

23 Problem 10. Connect the dots using a ruler and write down the name of the shape you get. Problem 11. Make the cat shape from tangrams and glue it to a paper. 23

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25 Homework 24. Problem 1. Solve. What do you notice? Problem 2. After we took 3 lbs. of potatoes from the bag, we noticed that 6 lbs. of potatoes remained. How many pounds of potatoes were in the bag at the beginning? Fiona had 12 stickers and Caitlin had 16. Who had more and by how many? One bucket held 4 gallons of water, and another one held 2 gallons more than the first. How many gallons did both buckets hold together? Sarena is 5 years old, and her brother is 4 years older than her. How old is the brother? In 3 years, how old will Sarena and her brother be together? 25

26 Problem 3. Look at the first circle which is filled in for you, and figure out what to do next :o) Problem 4. Solve the equations below and check your answer. X 7=5 90 X = X = 32 Check (put your answer in Check: Check: Place of X): Problem 5. Circle the piece that fits. (You can cut it out and check your answer) 26

27 Problem 6. We made a square out of sticks. Show which sticks we have to move to make the new figure (on the right). Try this with real sticks or matches. 27

28 Problem 7. A Problem 8. B C D E F 28

29 Problem 9. Continue the pattern. 29

30 Problem 10. Find the answer and color accordingly. What s on this mystery picture? 30

31 Homework 26 Problem 1. Calculate: Problem 2. Fill in the addition tables below: Problem 3. 1) There were 23 students in first grade, and 2 more in second grade. How many students were there in the two grades together? 2) There were 12 men, 4 women and 3 kids on the bus. 6 passengers left on the first stop. How many people remained on the bus? left remained What else can you ask? Problem 4. 31

32 Problem 5. Color the maps below so neighboring regions will have different colors. 1) Use 3 colors only: 2) Use 4 colors only: 3) Use 2 colors only: Problem 6. 32

33 Problem 7. You can use the peasant s trick (multiplying by 9 using fingers) we learned in class or the multiplication table on your folder. 33

34 Homework 28. Problem 1. Daniel had $40 in his wallet. Half of his money was in 5-dollar bills. How many 5dollar bills did Daniel have in his wallet? Problem 2. There are 24 students in one of the first grade classes. 11 of them are boys. In another first grade class there are 15 boys and 10 girls. boys girls Add your own questions to this number story (to make a problem) and answer them. boys girls Question 1: Answer: Question 2: Answer: Problem 3. Add lengths below: 4 dm 5cm + 1 dm 2 cm = 30 cm + 5 dm 4 cm = 7 dm 6 cm - 2 dm = 6 dm 8 cm + 1 cm = Problem 4. The length of the rectangle is 4 dm 8 cm, and the width is 1 dm 6 cm. By how much the width shorter than the length? Problem 5. One bottle holds 4 oz of water, and the other holds 3 oz. How do we measure following volumes using just these two bottles: 7 oz, 1 oz, 10 oz, 11 oz, 14 oz? Problem 6. Draw the rectangle with the sides 4 in and 3 in. Connect two vertices to make two triangles out of it. How many ways can you do it? Measure the segment that you drew. What do you notice? 34

35 Problem 7. Find the connection between numbers in first and second rows and fill in the gaps: Problem 8. One bug is crawling on the outside of the pipe, and another one on the inside. Draw parts of their paths that are visible to you. Problem 9. Draw the path of the bug on the surface of the cube, if he wants to return to the same spot he started from, and his whole trail should be visible. Problem 10. Now the bug is crawling on the surface of the sphere. Part of the path that you cannot see is marked with the dotted line. On the picture on the right, mark a point where you could see the bug while it was crawling on the line in green. Mark a point where you couldn t see him crawling on the line in red. On the picture to the left, mark the points that the bug crossed twice. 35

36 Problem 11. On each picture draw the lines where you can cut it to make two regions without holes. Put the number of the lines you needed in a square below. 36

37 Problem 12. Fill in the empty places in the houses. Explain in your own words the connection between multiplication and division: 37

38 Problem 13. Problem 14. Find and color the seats in the theater according to the tickets below. Do the same on the second picture, where the hall is turned around. 38