(words to expressions)
The number of girls in a second-grade class is 4 less than the number of boys. Let b represent the number of boys. Write an expression for the number of girls.
What is b - 4?
v - 8
What is the difference between v and 8?
3x + x + 4x + 2x
What is 10x?
a*b = ab, find -4*3.
What is -12?
If a = -2, b = -3 and c = 4, find the value of a + c.
What is 2?
A number, y, divided by 3.
What is y/3?
9k
The product of a number, k, and 9.
8a + 5a + 9
What is 13a + 9?
a*b = b/a, find 3*6.
What is 2?
If a = -2, b = -3 and c = 4, find the value of a + b - c.
What is -1?
The sum of six times a number, j, and 5.
What is 6j + 5?
2x - 4
Two times a number, x, minus 4.
-8x + 7 + 4x − 5
What is -4x + 2?
If a*b = ab2, find 5*4.
What is 400?
If a = -2, b = -3 and c = 4, find the value of 10 - 3c - 5a.
What is 8?
The difference between four times a number, s, and 10 times a number, r.
What is 4s - 10r?
4(f - 7)
What is the product of four and the difference between a number, f, and 7?
30x + 2 - 15x - 6 + 4
What is 15x?
If m*n = nm, find -3*3
What is -27?
If a = -2, b = -3 and c = 4, find the value of a2 + b2 - c2.
What is -3?
Seven times the difference of y and one.
What is 7(y - 1)?
2m+1/5n - 2
What is the quotient of two times a number, m, plus 1 and five times a number, n, minus 2?
5b2 + 9b + 10 + 2b2 + 3b − 4
What is 7b2 + 12b + 6?
If p*q = 2p3 - 3q, find 1*5?
What is -13?
If a = -2, b = -3 and c = 4, find the value of (a + b)2 - 10/2ab.
What is 15/12?