40
1.
2. A, fish 3. B, 80 4. B, 500 5. False 6. C, The animal species are likely to endangered soon. 7. Unknown status 8. Yes, because 1 10 + 1 10 = 2 10 . 9. The number of endangered inverteb much greater than the other groups PAGES 14-15: RECIPES FOR SU
12
Session 14 Page 30: Using Disks to Model Remainders is a far cry from 40 million. But bison were close to becoming extinct when there were less than 1,000 left. So the fact that there are 400,000 now is a success in our view. 5c. The central herd increased by 1,922 bison from 1985 to 2005. 6. Answers will vary. For us, it depends on the definition of success. Yes, the current population of today (400,000) 2. 12 ÷ 4 = 3 3. 28 ÷ 7 = 4 4. 4 times 24
30 36 40 72
3 3 3 3
Answer Key (continued)
6 6 6 6
7. 149,760 8. 103,958 Page 35: Fish Scales 5. 24 ÷ 4 = 6 PAGES 6-7: HOT WHEELS 1A. Tens Ones . Tenths Hundredths 3 5 . 4 4 3 6 . 3 2 1B. 35.44 seconds 2. Gabriel was faster.
MEASURING TOOL
TABLESPOONS (ESTIMATE)
TABLESPOONS (ACTUAL)
My Container Answers will vary.
Answers will vary.
USING DISKS TO MODEL REMAINDERS 1. Number of groups: 3 Number of items in each group: 5 1b. 3 × 5 = 15 1c. dividend = 5; 15 ÷ 3 = 5 2. 19 ÷ 3 = 6 R1
1 4
4
cup
Answers will vary.
Tens Ones .
Tenths
Hundredths
Suggested Solution: Uncle Sid’s biggest catch weighs 15 pounds. Half a pound more than 4 ½ pounds is 5 pounds, and 5 is 1/3 of 15. Session 18 Page 39: Math Time: The Coldest Concert 2 0 . 7 3 2 3 . 5 3 Gabriel Other Athlete 3. 15.14, 15.22, 15.36, 15.62 Answers will vary. Possible answers: They all finished the race in under 16 seconds; They all have 1 2 cup 3 4 cup 1 cup
8
Answers will vary.
eal raisin 24 = $120; 9 in profit lude a at will reap
12
Answers will vary.
16
Answers will vary.
the same value in the tens and ones places. 4. The athletes from England and Germany tied for second place. 99.89 < 100.82 < 101.79; 100.82 = 100.82 PAGES 8-11: THE COLDEST CONCERT 1A. ONLINE ANSWER KEY
1. Answers will vary. Please accept a answers based on the size of the c used. 2. Answers will vary; Yes, the chart in 4 tablespoons per each additional PAGE 16: NUTCRACKER NUMB Answers will vary. Please accept all rea observations, questions, and word pro
3. 4 R3
1B.
Student Edition PAGES 2-3: NUMBERS IN THE NEWS Post-It Pizza: No, they are halves because the whole is split into two pieces. Ice Watch: 74 − 56 = 18 years old MythBusters For Kids: Answers will vary. Possible answers: 10 10 10
1 2 5 6
1 2
1C. 6
− 3 = 3
feet
4 6
1 6
2. 3
− 1
= 2
feet
OVEMBER 2016 • Answer Key • Page 2 of 3 4. 45 ÷ 4 = 11 R1 5. Answers will vary. One example: 7 R4
1 DECEMBER 2018/JANUARY 2019 І DYNAMATH ONLINE ANSWER KEY
continu
4 24
3 24
1 24
3. 1
−
= 1
feet
6 10
5 10
1 10
4. 2
− 1
= 1
feet more
7 8
7 8
14 8
6 8
5. 4
+ 4
= 8
= 9
7 8
6 8
1 8
10
– 9
= 1
feet left over
1 6 3 5 5 PAGES 4-5: HUNGRY HOLIDAYS 1. 12 2 3 5
Session 19 Page 40: Subtracting Mixed Numbers With Models For “The Coldest Concert” — Lesson Plan 3 LEVEL DOWN: SUBTRACTING MIXED NUMBERS WITH MODELS PAGES 12-13: ANIMALS UP CLOSE 1. D, invertebrates
2 4 1 2. A, fish 3. B, 80 4. B, 500 5. False 6. C, The animal species are likely to become endangered soon. 7. Unknown status 8. Yes, because 1 10 + 1 10 = 2 10 . 9. The number of endangered invertebrate species is much greater than the other groups of species. PAGES 14-15: RECIPES FOR SUCCESS?
3 3 3 3
2. 12 ÷ 4 = 3 3. 28 ÷ 7 = 4 4. 4 times 24
2
Session 15 Page 32: Doctor Knows Best 1. 2/3 of the cocoa was left. 2. He drank 2/3 of the mug. MULTIPLYING WITH PARTIAL PRODUCTS 1a. 10 8 50 10 × 50 = 500 8 × 50 = 400 6 10 × 6 8 × 6 6 6 6 6
2 6
= 48 5. 24 ÷ 4 = 6 PAGES 6-7: HOT WHEELS 1A. Tens Ones . Tenths Hundredths 3 5 . 4 4 3 6 . 3 2 1B. 35.44 seconds 2. Gabriel was faster.
= 60
11 2b. 14 hundreds + 21 tens + 14 tens + 21 ones 2c. 1 thousand 7 hundreds 7 tens 1 ones 3a. 40 2 80 40 × 80 = 3,200 2 × 80 = 160 4 40 × 4 = 160 2 × 4 = 8 3b. 3,528 4a. 3 tens × 6 tens = 18 hundreds (student calculated 18 ones) 4b. 18 hundreds + 6 tens + 54 tens + 18 ones = 2 thousands 4 hundreds 1 ten 8 ones 4c. 2,418 5. Answers will vary. Please accept all reasonable answers. 3. 1/2 of the mug was filled with cocoa. 4. 1/3 of the tea was left in the mug. 5. You need to add 1/3 of a full glass. Super Challenge: You can add 6 ladles. 1/4 of a cup will be left over. Session 16 Page 34: Name That Product! 1b. 500 + 60 + 400 + 48 = 1,008 2a. 7 tens 7 ones 2 tens 7 tens × 2 tens = 14 hundreds 7 ones × 2 tens = 14 tens 3 ones 7 tens × 3 ones = 21 tens 7 ones × 3 ones = 21 ones Tens Ones . Tenths Hundredths 2 0 . 7 3 2 3 . 5 3 Gabriel Other Athlete 3. 15.14, 15.22, 15.36, 15.62 Answers will vary. Possible answers: They all finished the race in under 16 seconds; They all have 1. 63,646 2. 30,603 3. 22,500 4. 194,790 5. 37,522 6. 27,686 the same value in the tens and ones places. 4. The athletes from England and Germany tied for second place. 99.89 < 100.82 < 101.79; 100.82 = 100.82 PAGES 8-11: THE COLDEST CONCERT 1A. 1B. 1 DECEMBER 2018/JANUARY 2019 І DYNAMATH ONLINE ANSWER KEY
MEASURING TOOL
TABLESPOONS (ESTIMATE)
TABLESPOONS (ACTUAL)
My Container Answers will vary.
Answers will vary.
5 12 1
3 12 1
1 4 1 2 3 4
4
cup
Answers will vary.
8
cup
Answers will vary.
12
cup
Answers will vary.
16
1 cup
Answers will vary.
10 DECEMBER 2018/JANUARY 2019 І DYNAMATH ONLINE ANSWER KEY PAGE 16: NUTCRACKER NUMBERS Answers will vary. Please accept all reasonable observations, questions, and word problems. 1. Answers will vary. Please accept all reasonable answers based on the size of the container(s) used. 2. Answers will vary; Yes, the chart increased by 4 tablespoons per each additional 1 4 cup.
B . 1 2 15 Models will vary. Please accept all reasonable models. Possible answer:
continued on next page
continued on next page
Made with FlippingBook - Online catalogs