Distributive Property (Double Points)

Which of the following is another way to solve 4(a + b)?
1. 4ab
2. 4a + 4b
3. 4a + b
4. 4 + ab
Which of the following is another way to solve a(b - c)?
1. abc
2. ab - ac
3. a - bc
4. ab - c
Which of the following is another way to solve ab + bc?
1. abc
2. b(a + c)
3. c(a + b)
4. a(b + c)
Which of the following is another way to solve 9 * 17?
1. (9 * 10) + (9 * 7)
2. 9(17 + 9)
3. 97
4. 17 * (9 + 10)
Which of the following is another way to solve 8 * 18?
1. (8 * 20) - (8 * 2)
2. 100 - (8 * 4)
3. (8 * 15) + (8 * 4)
4. (8 * 10) - (8 * 8)
Which of the following is another way to solve 6 * 39?
1. (6 * 40) - (6 * 1)
2. (6 * 40) + (6 * 1)
3. (6 * 10) + (6 * 10) + (6 * 9)
4. (6 * 39) + (6 * 4)
Which of the following is another way to solve 3 * 68?
1. 10(3 * 6) + (3 * 8)
2. (3 * 6) + (3 * 8)
3. 3(68 + 8)
4. (3 * 70) - (3 * 8)