Subtracting Rational Numbers

Multiple Choice

Write the subtraction equation $$5 - 8 = a$$ as an addition equation.

• 5 = a + 8
• a + 5 = 8
• 8 = 5 + a
• 5 = a - 8

Multiple Choice

Write the subtraction equation $$-30 - 20 = p$$ as an addition equation.

• p - 20 = -30
• -30 + 20 = p
• -30 = p - 20
• -30 = p + 20

Multiple Choice

Write the subtraction equation $$7-(-10)=x$$ as an addition equation.

• 7 - 10 = x
• 7 + -10 = x
• -7 + 10 = x
• 7 + 10 = x

Multiple Choice

Write the subtraction equation $$-12 - (-15)=z$$ as an addition equation.

• -12 - 15 = z
• -12 + (-15) = z
• -15 - (-12) = z
• -12 + 15 = z

Multiple Choice

Find the difference: $$9 - 4$$ . If you get stuck, consider drawing a number line diagram.

• 3
• 6
• 7
• 5

Multiple Choice

What is the difference: $$4 - 9$$ ?

• -3
• 5
• -4
• -5

Multiple Choice

What is the difference: $$9 - (-4)$$ ?

• 13
• 15
• 12
• 5

Multiple Choice

Find the difference: $$-9 - (-4)$$ . If you get stuck, consider drawing a number line diagram.

• 5
• -9
• -5
• -4

Multiple Choice

Find the difference: $$-9 - 4$$ . If you get stuck, consider drawing a number line diagram.

• -5
• -9
• -4
• -13

Multiple Choice

What is the result of the expression: $$4 - (-9)$$ ?

• 5
• -13
• -5
• 13