Name Master 5.29 Date Sample Answers Extra Practice 1 – Master 5.25 Extra Practice 2 – Master 5.26 Lesson 1 Lesson 3 1. 1. a) b) c) d) e) cookies; fruit cookies, chips, popcorn, fruit 85 children 35 children The bar for cookies would be the tallest or longest. The tallest or longest bar represents the favourite snack food. f) How many more children like chips than popcorn? (Answer: 10 children; 25 – 15 = 10) Lesson 4 2. I chose the attributes red and thick. 3. I chose the attributes: Black hair and wears glasses. I put the children with black hair that do not wear glasses in the left loop. I put the children who wear glasses but do not have black hair in the right loop. I put the children who wear glasses and have black hair in the overlap. I put children who do not wear glasses and who do not have black hair outside the loops. 1. a) The squirrel; the cat b) The squirrel and the dog c) No, the number of each animal type is divided into the total to get their part of a whole. The circle graph shows what fraction of the animals were squirrels, but it does not give an exact number. d) I know that Kally saw more birds than chipmunks. I also know Kally did not see any rabbits. e) Which 3 animals together made about one-half of the animals Kally saw? (Answer: The chipmunk, the cat, and the bird) Extra Practice 3 – Master 5.27 Lesson 5 1. a) Lesson 2 1. b) I counted by 5s and I hit every number in the chart. 2. I put all activities with 1 attribute in a single loop. I put all activities with 2 attributes where the 2 attributes overlap. I put the activity with 3 attributes where the 3 loops overlap. I put the activities with none of the attributes outside the loops. c) The greatest number of children would like to go to a water park. The least number of children would like to go to the museum or the pioneer centre. There are 55 children in the two Grade 3 classes. d) How many more children would like to go to the amusement park than to the zoo? (Answer: 5 children; 15 – 10 = 5) e) Lesson 9 1. a) f) When I changed the key to 1 symbol represents 10 children, I used fewer symbols and I also used half-symbols. Lesson 6 1. a), b) b) c) c) d) e) f) g) Black; blue 10 red cars Black; blue 10 red cars 110 cars 25 Susan saw the same number of white and beige cars. Susan did not see any green or yellow cars. The car colours, from most popular to least popular are: black, silver, white and beige, red, blue. Extra Practice 4 – Master 5.28 b) I found out that most Grade 3 students would like to go to Florida. Eight students would like to go to the cottage, 4 students would like to go camping, 3 students would like to go to another province in Canada, and 2 students would like to go somewhere else. c) How many students are in the class? (Answer: 28 students; 8 + 4 + 11 + 3 + 2 = 28) How many more students would like to go to Florida than to a cottage? (Answer: 3 students; 11 – 8 = 3) 2. a) Lesson 8 1. a) b) b) 2 students c) Most students have 1 brother or sister. I know because it has the greatest number of tally marks. d) I know that 4 students have no brothers or sisters. I know that 13 students have 1 brother or sister, 9 students have 2 brothers and sisters, and 2 students have 3 brothers and sisters. By adding the tally marks, I know there are 28 students in my class. 2. a) What is your favourite indoor-recess activity? b) What is your favourite number? c) What is your favourite movie? d) Which animal do you like to watch at the zoo? c) I found out that most Grade 3 students like the water ride. The rides, in order from most popular to least popular are: water ride, roller coaster, slide, Ferris wheel, merry-go-round.