Step 2 Answers

Day 9

  1. 71.291
  2. 269.14
  3. 89.14
  4. 23.35
  5. 49.1
  6. 34.7628
  7. 2.3532
  8. 1.06

Day 10

  1. 53.16
  2. 2
  3. 20/21
  4. 9/10
  5. 14/15 – 12/15 = 2/15
  6. 2/15

Day 11

  1. 1/2  1:2  1 to 2
  2. 4/5  4:5  4 to 5

Practice

  1. $1.56 is the cost per dozen at store #2, so store #1 has the better price.
  2. 5 cents < 6 cents  The big can gives you more for your money.
  3. 8.67 > 8.25  Mario got the better deal.
  4. 6 cents
  5. 1.5 < 1.75  The local market is cheaper.
  6. 5.7 minutes < 8 minutes  Elsie was faster per lap.
  7. 75 < 80   280 miles in 3.5 hours is traveling faster.

Day 16

  1. .6
  2. 1.45
  3. 1/4, 25%
  4. 2.2 = 2 2/10 = 2 1/5
  5. .85 < .854  (almost identical, but Adriana’s a little more)
  6. 20% < 23% Leslie’s

Day 17

  1. 9/6
  2. 4:7 or 4/7
  3. 25/145 = 5/29
  4. ? = 100 because 9 x 4 = 36 and 25 x 4 = 100
  5. 1/4 = 5/?  ?= 4 x 5 = 20 oranges
  6. 1/.38 = 3.5/?  3.5 x .38 = ? = $1.33

Day 19

Number Properties

  1. 14 + 16 + 7 + 23 = 30 + 30 = 60
  2. 6 + 14 + 21 + 9 = 20 + 30 = 50
  3. 64 x 10 = 640
  4. 10 x 12 = 120
  5. 8 (30 + 2) = 240 + 16 = 256
  6. 4 ( 50 + 7) = 200 + 28 = 228
  7. 4×2 + 4×3 = 8 + 12 = 20
  8. 5×8 + 5×9 = 40 + 45 = 85

#6: 2x + 8     and     15 + 5x

Day 20

Writing expressions: $10 + $3h

  1. 48
  2. 27
  3. 10
  4. 8
  5. 32
  6. 23,265

Day 21

  1. 67
  2. 13
  3. 7
  4. 6
  5. n + 26
  6. 6 x 5
  7. 4x + 6y – 2
  8. 6x2 + 11x + 18
  9. 11x2 + 5x + 1
  10. 6x + 11
  11. 3x – 11
  12. 9x – 8
  13. 4xy + 4
  14. 15x + 11y

Day 23

  1. N
  2. Y
  3. Y
  4. N
  5. Y
  6. N
  7. N
  8. Y
  9. Y
  10. N
  11. Y
  12. Y

Day 26

  1. m = 18
  2. k = 24
  3. v = 11
  4. b = 5
  5. x = 1
  6. p = 16
  7. b = 32
  8. p = 25
  9. b = 36
  10. a = 19

Day 31

direct variation table.png

2)  Yes, 2x + 10 = y

3)  Yes, 2x = y

5)  2x = y

6)  3x = y

7)  3x = y

8)  48x = y

9)  x(1/5) = y

Day 33

  1. 96 mm2
  2. 38 in – perimeter; area – 86.25 in2
  3. 17 cm2
  4. 90 ft2
  5. 17.5 in2
  6. 48 cm2

Day 34

  1. 27 m2
  2. 15 yd2
  3. 26 ft2
  4. 48 cm2
  5. 3 x 2 + 2 x 7 = 20 in2
  6. 27 x 24 + 6 x 9 = 702 ft2
  7. 14 square units

Day 35

  1. 162 in3
  2. 144 ft3
  3. 120 m3
  4. (1/2)4.5 x 7.2 * 8.1 = 131.22 cm3
  5. 63.75 m3
  6. 250 cm3
  7. 3 ft
  8. 20 in
  9. 6 cm

Day 36

NEED ANSWERS

Day 40

Mode  12, 22, 3, 532

Median   10, 22, 5, 532

Mean

137 / 13 = 10 7/13

299 / 13 = 23

81 / 16 = 5 1/16

3732 / 7 = 533 1/7

Day 41

NEEDS ANSWERS

Day 43

  1. 14.6
  2. 8, 9, 29,29, 9, 8,8 and 9 and 29,8, 9, and 29,8 9 29
  3. yes
  4. graph6a
  5. graph7a
  6. graph9

Day 44

  1. Lakeview
  2. 15 and 13.5
  3. Mountainside
  4. 12
  5. NEEDS ANSWERS for graphing analysis

Day 47

  1. 4
  2. -15
  3. 40
  4. >
  5. <
  6. >
  7. <
  8. -8,-4,3,5
  9. -3,-1,0,6
  10. -6.5,-4,2,4.5

Day 48

  1. 21
  2. 4
  3. 10
  4. 2
  5. 5
  6. 0
  7. 6
  8. 11
  9. 20

Day 49

  1. 8
  2. 0
  3. -1.75
  4. -0.25
  5. 1/3
  6. 8
  7. 0
  8. 0

Day 50

  1. (-5, -4)
  2. (6, -9)
  3. A (-5, -4)  B (2, 1)  C (-2, -2)  D (4, -3)

Day 52

  1. 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, etc.  9 x something is a multiple of nine.
  2. 1, 64, 2, 32, 4, 16, 8   Numbers that divide evening into 64.
  3. 4, 8, 12, 16, 20 etc.
  4. 1, 42, 2, 21, 3, 14, 6, 7
  5. 2, 3, 5, 7, 11  (Those are the first five prime numbers. A correct answer is any number that only has 1 and itself as factors.)
  6. 4, 6, 8, 10, 12  (A correct answer is any even number other than 2 and any number that has factors other than itself and one.)
  7. 7 x 5
  8. 2 x 2 x 2 x 2

Day 53

  1. 9 to 6 or 9/6
  2. 3:4
  3. 15:145 = 3:29
  4. 100
  5. 32
  6. $2.09
  7. $2.75
  8. 7 cans
  9. 3 hours
  10. 416 feet (barely!)

Day 54

  1. 12 + 18 + 7 + 23 = 30 + 30 = 60
  2. 7 + 13 + 21 + 9 = 20 + 30 = 50
  3. 54 x 10 = 540
  4. 17 x 10 = 170
  5. 35
  6. 73
  7. 86
  8. 14
  9. 18
  10. 125

Day 55

  1. x ≤ 9
  2. x > -5
  3. x ≥ 97
  4. x < 30
  5. x ≤ -60
  6. x ≥-31.25
  7. 140 is greater than or equal to 6 times the number of tables, 24 tables
  8. 1800 – 360 is greater than 5 times the number of calories per meal, 288 calories
  9. 14 people

Day 55

  1. 57 in2 , 30 in3
  2. 110 ft2 , 60 ft3
  3. 232 m, 160 m3
  4. 57 in2 , 90 m3
  5. 65 square units
  6. 42 cm

Day 56

  1. 21
  2. 25.5
  3. 30
  4. 36.5
  5. 8 and 12
  6. 8.5
  7. 8.25
  8. Range 63  MAD = 17.875

Day 57

  1. 3
  2. 10
  3. 0
  4. 5
  5. 5
  6. (-6, 0) (-3, 2) (3, -2)
  7. F(-5, 1) G(3, 4)  H(0, -5)
  8. There should be one point in each quadrant.

Day 58

  1. 3
  2. 10
  3. 0
  4. 5
  5. 5
  6. M(-6,0) N(-3,2) P(3,-2)
  7. F(-5,1) G(3,4) H(0,-5)

Day 61

  1. Commutative Property of Multiplication
  2. Associative Property of Addition
  3. Identity Property of Addition
  4. Associative Property of Multiplication
  5. Distributive Property
  6. Identity Property of Multiplication
  7. Commutative Property of Addition
  8. Identity Property of Multiplication

4.  Inverse Property – Multiply by one half and add negative 2

Day 62

  1. -128
  2. James
  3. -22,500; 34,600
  4. -6, -4, 0, 2, 5
  5. one fifth
  6. Honus is correct
  7. Asia
  8. Asia
  9. 20,602′
  10. 18,602’

Day 63

  • 12 feet
  • -22 feet
  • 25 – 5 = 20 points
  • 18 – 7 = 9 degrees
  • 9 * 12 = $108
  • 350/5 = 70 feet
  1. -6
  2. -2
  3. 11
  4. -12
  5. 26
  6. 0
  7. 118 (50 + 50) + (9 + 9)
  8. 4
  9. -280
  10. 280

Day 64

  1.  -5
  2. 13
  3. 11
  4. -11
  5. 15
  6. -5
  7.  8
  8. -5
  9. 3
  10. -19
  11. -6
  12. -9
  13. -10
  14. 15
  15. -5
  16. 6
  17. -53
  18. 0
  19. 54
  20. 3

Day 65

  1. .125
  2. .1 repeating
  3. .6 repeating
  4. .571428 repeating
  5. .3  You should need to divide this one. Just read the fraction out loud. It tells you what the fraction is.
  6. 1.6 repeating
  7. 1.8
  8. .83 repeating

Day 66

1. .3
2. .375
3. . 533
4. .625
5. .35
6. .18
7. .875
8. .778
9. . 90 repeating
10. − 33/100
11. 2.25
12. 3.167
13.  5/8

Day 67

  1. 6 jars
  2. 8 weeks
  3. 67.2 miles

Day 68

  1. 38.6
  2. -88.3
  3. 43.2
  4. 10.085
  5. 17.7
  6. 3.7
  7. 46.8
  8. 82.602
  9. -41.03
  10. 124
  11. -18.24
  12. -96.2
  13. -39.56
  14. 37.84
  15. 172.2816
  16. skip
  17. 0.830357142857
  18. 0.90625
  19. 4.21875
  20. 0.614754

Day 78

  1. x/3
  2. 12 – x
  3. x – 12
  4. 3x – 5
  5. 3/x + 2
  6. 3(x + 5)
  7. 3x + 5
  8. x + 12
  9. 2x
  10. x/2

Day 79

  1. 6x + 1
  2. 11x + 8
  3. 6y
  4. 3x² +11x +10
  5. x² + 6x + 11
  6. 8x + 14y
  7. 9x + 7y + 5
  8. 7x – 8
  9. 9x² + 8x
  10. 6x + 1

Day 80

  1. C
  2. C
  3. B
  4. A
  5. B
  6. D
  7. D
  8. B
  9. C
  10. A
  11. C
  12. A
  13. A
  14. B
  15. B
  16. B
  17. C
  18. C

Day