Vocabulary
What does it mean to annex?
to add zeros
1.357 + 12.308 = ?
13.665
0.23 x 9.1 = ?
2.093
8.1 ÷ 3 = ?
2.7
What operation(s) do you use when you line up the decimal points?
Addition and Subtraction of decimals.
When you add or subtract fractions.
5.06 - 3.2056 = ?
1.8544
8.53 x 2.1 = ?
17.913
1/2 ÷ 2/5 = ?
1 1/4
When do you need common denominators?
When you add or subtract fractions.
Where is the dividend located in a division problem?
2/3 + 3 1/4 = ? (in simplest form)
3 11/12
4/9 x 3/8 = ? (in simplest form)
1/6
35.7 ÷ 2.1 = ?
17
What part of the long division problem needs to be a whole number when dividing decimals?
The divisor
What is an improper fraction? AND what is the process to create an improper fraction?
A fraction where the numerator is larger than the denominator. And to create an improper fraction, you would multiply the whole number to the denominator then add the numerator. This would give you the new numerator and you would keep the same denominator.
8 1/8 - 5 3/4 = ? (in simplest form)
2 3/8
5/6 x 21= ? (in simplest form)
17 1/2
0.0032 ÷ 0.004 = ?
0.8
Explain the process of dividing fractions.
If needed change mixed numbers or whole numbers to improper fractions. Then keep the first fraction the same, change the division sign to a multiplication sign, then change the second fraction to it's reciprocal.
When simplifying fractions, what do you divide when you reduce fractions to simplest form?
You divide out the greatest common factor, or GCF.
3 3/7 + 5 1/8 = ? (in simplest form)
8 31/56
2 1/5 x 1 1/4 = ? (in simplest form)
2 3/4
2 ÷ 3 2/3 = ?
6/11
When you multiply decimals you line up the...
Line up the digits.