Module 4

Write Numerical Expression

100

3 times 7 minus 4

3x7-4

200

The sum of 5 and 8 multiplied by 2

(5+8)x2 

300

The quotient of 21 and 3 subtracted by 4.

21/3-4 or (21/3)-4

400

The product of 4 and 5 divided by 2 then subtracted by 9.

(4x5)/2-9 or 4x5/2-9

500

8 multiplied by the difference of 5 and 4 and then added to twenty. 

8x(5-4)+20

Interpret Numerical Expressions

100

4x(5-2) and 5-2

4x(5-5-22) is 4 times greater than 5-2

200

2x(4+8) and 4x(4+8)

4x(4+8) is two times greater than 2x(4+8)

300

26x(8x2) and 4x(8x2)

26x(8x2) is six times greater than 4x(8x2)

400

56x(3+4-1+9) and 8x(3+4-1+9)

56x(3+4-1+9) is seven times greater than 8x(3+4-1+9)

500

144x(1+1) and 36x(1+1)

144x(1+1) is four times greater than 36x(1+1)

Evaluate Numerical Expressions

100

3x(4+5)

27

200

3x4+5

17

300

2x(5x6)-20

40

400

4+(8x2)/4

8

500

11+(7+5)x2/12

13

Evaluate with Groupings {[()]}

100

6+8/2+2 Value=8

6+8/(2+2)

200

5+5x5-5 value=45

(5+5)x5-5

300

10-4x7+5 value=47

(10-4)x7+5

400

11-2x5+6 value=51

(11-2)x5+6

500

7+2x2-7 value=45

7+2x(2-7)

Review ;)

100

4x10⁴

40,000

200

56x10²

5,600

300

18x10³ -15x10³=?

18,000-15,000=3,000

400

Who is on the $100 bill?

Benjamin Franklin <3

500

12x10³+9x10²

12,000 + 900 = 12,900