Wk 1- Number Systems

What is a Numerator?

• The number above the line in a common fraction (parts taken)
• The number below the line in a common fraction (the whole)
• The answer when you add two fractions

What is a fraction?

• A set of whole numbers, including zero, and set of negative numbers
• A mathematical expression with a numerator and denominator (part of a whole)
• The number above the line in a common fraction (parts taken)

Solve:                                                                                       12.671 + 70.031

• 82.640
• 82.692
• 82.702

Solve: 33.11 x 3.42

• 1132.36
• 113.224
• 113.2362

Estimate: 3.91 x 7.22 x 10 x 6.83

• 28
• 1960
• 1260

Solve: 45.33 ÷ 3.11

• 14.576
• 15
• 1.457

Convert the following fraction to decimal:  ⅜

• 3.75
• 0.375
• 3.8

Solve: ⅓ + ⅘ 

• 17 ∕ 15
• 5 ∕ 8
• 4 ∕ 15

Solve: ⅝ × ⅔ and simplify

• 7 ∕ 11
• 5 ∕ 12
• 10 ∕ 24

Repeating or Non-repeating?  π

• Repeating
• Non-Repeating