Basic Math
Find the prime factorization of 100.
22x 52
What is step 1 when you multiply or divide fractions?
fraction form
What is step 1 when you add or subtract decimals?
line up the decimals
For whole numbers, which operations make values go up? For whole numbers, which operations make values go down?
Up => add or multiply
Down => subtract or divide
Name the 4 types of fractions.
proper, improper, mixed number, unreduced
Find the LCM of 8 and 12.
24
What are the first 2 steps when you add or subtract fractions?
Find LCD
Rename Fractions
When multiplying decimals, how do you determine where to place the decimal in the answer?
decimal place values in the problem must equal the number of decimal place values in the answer.
Typically, which operations make values change quickly? Typically, which operations make values change slowly?
Quick Change: multiply or divide
Slow Change: add or subtract
Convert 17.36 into a fraction.
**You must always reduce fraction answers.
17 9/25
Find the GCF of 20 and 48.
4
43 - 3/8 =
42 5/8
What is step 1 when you divide decimals?
convert divisor into a whole number
Provide the rule and the next value in the pattern.
4, 8, 13, 26, 31, ?
Rule: x2 / + 5
Next Value: 62
Convert 12 3/16 into a decimal.
12.1875
3245 x 38 =
123,310
5 1/2 x 4/5 =
*Provide the answer in mix number form.
22/5 or 4 2/5
123.4 x 0.27 =
33.318
Provide the rule and the next value in the pattern.
176, 175, 172, 167, 160, ?
Rule: -1/-3/-5/-7 .....
Next Value: 151
Find 3.5% of 16.
0.56
1755 divided by 13
135
18/5 divided by 2 2/3 =
*Provide the answer in mix number form.
27/20 = 1 7/20
46.737 divided by 0.09 =
519.3
Provide the rule and the next value in the pattern.
12, 8, 40, 41, 37, 185, 186, ?
Rule: -4/x5/+1
Next Value: 182
Explain why 12 x 0 = 0.
you are adding zero twelves together. The sum of zero twelves is zero.