Decimals and Powers of 10
When multiplying decimals by powers of 10, the decimal moves to the ____________ because the value of the number becomes bigger when multiplied.
What is right?
There are 1,000 _________ in 1 meter.
What are millimeters?
The mode of a data set is the number that occurs most often. Find the mode of the following set of numbers: 9, 3, 4, 3, 0, 2, 3, 6, 7
What is 3?
Round 56.7 to the nearest whole number.
What is 57?
True or false: When dividing decimals, the outside number does not have to become a whole number.
What is false?
When dividing decimals by powers of 10, the decimal moves to the left because the value of the number becomes _______________ when divided.
What is smaller/less?
There are 1,000 __________ in one kilogram.
What are grams?
Jacob collects data on his Flappy Bird attempts. His highest score is 38 and his lowest score is 11. What is the difference between his highest and lowest scores?
What is 27?
Round 68.7 to the nearest 10.
What is 70?
What is the saying we use to move the decimals over to the right when multiplying?
What is Swoop! there it is?
Solve the question: 3.65 x 104
What is 36,500?
Name the rule for the following number sentences:
2m = 200cm, 50m = 5,000cm, 0.45m = 45cm
What is (x 102) or (x 100)?
The median is the middle number in a data set. Find the middle number in this list of data. (Don't overthink it, write the number exactly in the middle!)
0, 7, 11, 15, 23
What is 11?
What is (30 x 5 = 150) or (32 x 5 = 160)?
True or false: When multiplying decimals, the decimals do not have to be lined up with each other.
What is true?
Solve the question: 98 / 103
What is 0.098?
What is 0.0380?
Find the average of this data set. (Hint: add all the numbers together, then divide by the number of numbers).
9, 10, 2, 8, 1
What is 6?
Make an estimate for 3.9 x 20.1, solve the estimate, then show where to put the decimal in the list of numbers: 7 8 3 9
What is 4 x 20 = 80, and 78.39?
Multiply: 4.8 x 6.2
What is 29.76?
If scientists have to send a spacecraft to the moon, the spacecraft should travel at least 2.4 x 105 miles. Write the number of miles in standard form.
What is 240,000?
Emma has a piece of string that is a total of 2.3m long. She finds another piece of string that is 30cm long. How long are both pieces of string combined? (Hint: start by converting one of your units!)
What is 2.6m long OR 260cm long?
A local vet takes data on the lengths of puppy dog's tails in inches. She records the lengths and wants to find the lengths of all the dog's tails combined. What is the total length of all the dog's tails?
7.5, 3, 5.25, 4.5, 9.25, 5.5
What is 35 inches?
Make an estimate for 443.2 x 9.9, solve the estimate, then place the decimal in the list of numbers:
4 3 8 7 6 8
What is 440 x 10 = 4,400 and 4,387.68?
Divide: 5.46 / 3
What is 1.82?