Fractions
What is a reciprocal?
When you switch the numerator and the denominator.
What do you need to remember to do to add or subtract decimals?
Line your decimal points up!
What are factors?
What are multiples?
A number repeat added.
Sam travelled 315 km during his vacation. How many miles did her family travel? (1 km = 0.62 mi)
195.3 miles
What are some strategies for dividing fractions?
Models or Keep, Change, Flip
43.12-1.46
41.66
What is the greatest common factor of 29 and 81?
1
At a concert, 14 people are allowed through the gate at a time. There are 100 people waiting to get in. How many times will the gate need to be opened, to get all 100 people into the concert?
8 times
What is 6/7 divided by 2/5?
Your electricity bill is $27.38. You pay with two, twenty-dollar bills. How much change should you receive?
$12.62
What is the greatest common factor of 6 and 72?
6
Miss Cuccia sets the table every 4 days. She washed the dishes every 7 days. After how many days will she have to set the table AND wash the dishes?
28 days
Angela is making snowflakes out of 9 1/2 sheets of construction paper. She uses 1/3 sheet for each snowflake. How many snowflakes can she make?
28 1/2 snowflakes
What is 0.82 x 2.7?
2.214
List the factors or use a factor tree
Sam went on a vacation with her family They stopped every 80 km at the bathroom and every 240 km to grab a snack. What is the shortest distance Sam's family will travel to stop that has both a bathroom AND a restaurant?
240 km
Marcia plans to walk 8 miles a week. If she plans to walk 4/5 of a mile each day, will she be able to walk the 8 miles? Explain your answer.
No, because she will only walk 5 3/4 miles in a week at this rate. She will need 10 days to get it done.
Randy's redemption center pays $0.83 per pound of cans. Jessica got $4.98 back. How many pounds of cans did she return?
6 pounds