Warm up !

1.     True or false?

An equation contains two mathematical expressions that are separated by an equal sign.

• True

• False

1.     Which of the following is the expression for 3 times a number minus 2

• 3+2x

• 3+ N

• 3X - 2

• 2X+ 3

1.     Select the expression for: 7 less than a number plus 1

• N+7-1

• N-7 + 1

• 7-N + 1

• N-7

1.     Select the terms that would mean that an expression is equal to another as given in the following statements.

*3 oranges cost $40

*2x equals 13

* 5 times 10 is 50

• is, cost, equal

• 3, 2x, 5

• $40, 13, 50

• oranges, times, 10

1.     Which of the underlined terms could be replaced with an equal sign?

The sum of 5 and 8 is 13

• The sum

• is