Positive Rational Number Operations

Positive Rational Number Operations

​ADDING - SUBTRACTING - MULTIPLYING - DIVIDING

Fractions and Decimals

Adding and Subtracting Decimals

Multiple Choice

Add: 5.03 + 16.2

• 6.65

• 21.23

• 11.17

• 22.23

Multiple Choice

Subtract: 56.2 - 4.68

• 52.48

• 9.64

• 1.60

• 51.52

Adding and Subtracting Fractions

Multiple Choice

$$\frac{7}{8}\ -\ \frac{1}{4}$$

Be sure to simplify!

• $$\frac{3}{4}$$

• $$\frac{3}{8}$$

• $$1\ \frac{1}{2}$$

• $$2$$ $$\frac{5}{8}$$

Multiple Choice

$$\frac{2}{3}\ +\ \frac{3}{4}$$

Be sure to simplify!

• $$\frac{5}{7}$$

• $$1\ \frac{1}{2}$$

• $$1\ \frac{5}{12}$$

• $$\frac{6}{7}$$

Multiplying Decimals

Multiple Choice

5.7(12.8)

• 0.7296

• 7.296

• 72.96

• 729.6

Dividing Decimals

Poll

$$81.21\ \div\ 0.3$$

• 270.7

• 27.07

• 2.707

• 0.2707

Multiplying Fractions

Multiple Choice

$$3\ \frac{1}{2}\ \cdot\ \frac{3}{4}$$

• $$4\ \frac{2}{3}$$

• $$1\ \frac{1}{2}$$

• $$3\ \frac{3}{8}$$

• $$2\ \frac{5}{8}$$

Dividing Fractions

Multiple Choice

$$5\ \frac{3}{4}\ \div\ \frac{2}{5}$$

• $$\frac{4}{5}$$

• $$\frac{8}{115}$$

• $$2\ \frac{3}{10}$$

• $$14\ \frac{3}{8}$$

Multiply and Divide Fractions and Decimals Together

Convert the terms to the same form.

Multiple Choice

$$3.4\ \cdot\ \frac{1}{2}$$

• $$7$$

• $$1\ \frac{7}{10}$$

• $$\frac{3}{8}$$

• $$0.17$$

Multiple Choice

$$4\ \frac{5}{8}\ \div\ 0.25$$

• $$18.5$$

• $$18.32$$

• $$1\ \frac{5}{32}$$

• $$4\ \frac{3}{4}$$