Addition Lesson 1

  1. 599
  2. 885
  3. 579
  4. 199
  5. 699
  6. 157
  7. 898
  8. 987

Addition Lesson 2

  1. 1,068
  2. 1,215
  3. 1,792
  4. 1,292
  5. 1,621
  6. 1,955

Subtraction Lesson 1

  1. 488
  2. 909
  3. 771
  4. 371

Multiplication Lesson 1

  1. 9
  2. 8
  3. 9
  4. 21
  5. 0
  6. 18
  7. 16
  8. 25
  9. 49
  10. 14
  11. 45
  12. 72

Subtraction Lesson 2

  1. 107
  2. 35
  3. 4
  4. 187

Multiplication Lesson 2

  1. 200
  2. 234
  3. 260
  4. 49
  5. 168
  6. 0
  7. 224
  8. 666

Multiplication Lesson 3

  1. 648
  2. 2,000
  3. 2,100
  4. 3,258
  5. 2,616
  6. 8,046

Division Lesson 1

  1. 4
  2. 4
  3. 3
  4. impossible
  5. 1
  6. 2
  7. 2
  8. 1

Measurement Lesson 1

  1. 6 1/2 centimeters
  2. 2 1/2 inches

Place Value Lesson 1

  1. Standard 136
  2. Expanded 100+30+6
  3. Word one hundred thirty-six