Substituting positive and negative integers into expressions

Substituting positive and negative integers into expressions

Review

​Adding Negative Numbers

Fill in the Blank

$$-3+7=$$

Fill in the Blank

$$6-\left(-5\right)=$$

Fill in the Blank

$$4-8+\left(-6\right)$$

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Exponents

Multiple Choice

$$\left(-1\right)^3$$

• 1

• -1

• 3

Expressions

Expressions

Ex1

Ex2

Practice

Open Ended

Evaluate the expression $$x+xy-x$$ , if x = 3 and y = -2

Open Ended

Evaluate the expression $$-m+n-mn$$ , if n = -5 and m = -2

Open Ended

Evaluate the expression $$\frac{\left(x-xy\right)}{x}$$ , if x = 2, y = -3

Open Ended

Evaluate the expression $$ab\ -\frac{a}{b}+c$$ , when a = -1, b= -2 and c = -3,

Open Ended

Evaluate the expression $$a^2+ab-c$$ , when a = -3, b = 3, c = -5

Open Ended

Evaluate the expression $$\frac{\left(a^2-b^2\right)}{b}$$ , when a = 6, b = -4

Open Ended

Evaluate the expression $$x−y−xy$$ , if x = -3, y = -2