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100
9.1 + 2.4
11.5
100
1.981-0.682
1.299
100
7.3 x 4
29.2
100

How do you write 6 1/2 as a decimal?

6.5

100

What is the difference between GCF and LCM?

Greatest common factor (largest number that divides evenly into two numbers)

Least common multiple (smallest number that two number multiply in to)

200
6.608 + 9.44
16.048
200
31.321-28.198
3.123
200
3 x 6.21
18.63
200

How do you write 3/4 as a decimal?

0.75

200

In which math operations do you need to stack or line up your decimals?

Adding and subtracting only.

300
6.71 + 3.32
10.03
300
7.902-3.42
4.482
300
6.23 x 4.7
29.281
300

How do you write 12/100 as a decimal?

0.12

300

When multiplying two decimals together (like 2.4 and 5.36) using the "standard algorithm", which number should you put on top and why?

5.36 - longer number on top because you will have fewer rows of numbers to add.

400
4.564 + 8.5
13.064
400
4.86-2.9
1.96
400
0.048 x 5
0.24
400

How do you write 6 103/1000 as a decimal?

6.103

400

What are the names of Ms. Chen's two cats?

Claude and Charles

500
Kassie measured 2.5 cups of flour and 1.75 cups of sugar into a bowl. How many cups of ingredients did she have altogether in the bowl?
4.25 cups
500

Raj had a water bottle that contained 16.9 ounces of water. He drank 8.75 ounces of the water. How many ounces were left?

8.15 ounces

500
Ben bought some video games. The games cost $19.99 each. How much did Ben spend on 3 video games?
$59.97
500

Mrs. Burruss rode her bike for 2 hours and 15 minutes. How would you write that time as a decimal?

Hint: the answer is NOT 2.15.

Another hint: First, consider changing to a fraction, then a decimal.

2.25 hours

500

What is a unit rate and why is it helpful to know?

Unit rate is a ratio that compares two numbers, one of which is ONE. This is helpful to compare costs, speeds, etc.