1. Homework Helper Chapter 8 Lesson 8.1 1.6 2.9 3.9 4.17 5.14 6.5 7.11 8.3 9.0 10.13 11.9 12.9 13. 12 – 4 = 8 8 more shells 14.Possible answer: 6 + 7 = 13 ( I used the doubles plus one strategy.) 9 – 2 = 7 ( I used the count back strategy.) Lesson Check/Spiral Review 1.13 2.7 3.46 ones 46 is greater than 43 46 > 43 4.69 tens 69 is less than 84 69 < 84

2. Homework Helper Chapter 8 Lesson 8.2 1.40 4 tens 2.60 6 tens 3.70 7 tens 4.80 8 tens 5.50 posters 6.90 pages 7.Possible Answer: 80 + 10 = 90 Lesson Check/Spiral Review 1.50 2.40 3.Possible answer 5 + 5 = 10 or 6 + 6 = 12 4.True: 30>10 10 30

3. Homework Helper Chapter 8 Lesson 8.3 1.30 3 tens 2. 40 4 tens 3. 40 baseball cards 4. Possible drawing: Lesson Check/Spiral Review 1.40 2.40 3.10 + 3 = 13 4.36, 37

4. Homework Helper Chapter 8 Lesson 8.4 1.49 2.76 3.27 4.89 5.17 + 20 = 37 37 children 6.Possible answer: 21 + 6 = 27 60 + 21 = 81 Lesson Check/Spiral Review 1. 92 2. 19 3. 42 4. 9 + 7 = 16

5. Homework Helper Chapter 8 Lesson 8.5 1.49 2.86 3.98 4.59 5.15 6.77 7.68 8.45 9.79 10.89 11.21 + 20 = 41 41 marbles Lesson Check/Spiral Review 1.92 2.39 3.Possible answers: 0,15; 1,14; 2,13; 3,12; 4,11; 5,10; 6,9; 7,8; 8,7; 9,6; 10,5; 11,4; 12,3; 13,2; 14,1; 15,0 103

6. Homework Helper Chapter 8 Lesson 8.6 1.31 Possible drawings: 2.72 Possible drawings: 3.27 + 9 = 36 36 markers 4.Possible answer: 51 Lesson Check/Spiral Review 1.53 2.92 3.114 4.1

7. Homework Helper Chapter 8 Lesson 8.7 5 tens + 7 ones 57 50 + 7 = 57 1. 2. 3.36 + 22 = 58 22 + 36 = 58 4.Possible answer: John had 12 toy cars and Mark has 18 toy cars. How many cars do they have altogether? 12 + 18 = 30 30 toy cars Lesson Check/Spiral Review 1.73 2.35 3.Possible answer: 2 tens 8 ones 1 ten 18 ones 4. 10 8 tens + 8 ones 88 80 + 8 = 88

8. Homework Helper Chapter 8 Lesson 8.8 1.14 fish 2.40 apples 3.30 muffins 4.Possible answer: 4 tens + 9 ones 49 Lesson Check/Spiral Review 1.22 books 2.10 3.6 blue pens

9. Homework Helper Chapter 8 Lesson 8.9 1.76 16 2.91 61 3.84 64 4. 33 leaves 5.93 – 30 = 63 Lesson Check/Spiral Review 1.58 2.87 3.4 4.7

10. Homework Helper Chapter 8 Lesson 8.10 1.40 2.60 3.56 4.83 5.29 6.10 7.81 8.4 9.43 10.94 11.17 + 9 = 26 26 pages 12.Possible answers: make a ten to add 10 + 3 = 13; grab the bigger number and count on 8 + 5 = 13 Lesson Check/Spiral Review 1.38 2.40 3.10 + 3 = 13 4.12 toys