Vocabulary
The place value of the digit immediately to the right of the decimal point.
What is the tenths place?
What is the next number? What is the rule?
1.5, 1.8, 2.1, 2.4, ___
Answer: 2.7
Rule: Add 0.3
3.4 + 2.6 = ___
What is 6.0?
Solve:
1.112 + 1.532 = ____
What is 2.644?
A student walks 2.75 miles on Monday and 1.5 miles on Tuesday.
How many miles did the student walk altogether?
What is 4.25 miles?
The place value of the second digit to the right of the decimal point.
What is hundredths place.
What is the next number? What is the rule?
6.25, 6.50, 6.75, 7.00, ___
Answer: 7.25
Rule: Add 0.25
Solve:
5.3 - 3.6 = ____
What is 1.7?
Solve:
7.825 + 3.47 = ____
What is 11.295?
A swimmer completed a race in 24.65 seconds. In the next race, the swimmer finished in 22.8 seconds.
How much faster was the second race?
What is 1.85 seconds?
An ordered set of numbers.
What is a sequence?
What is the next number? What is the rule?
9.6, 9.2, 8.8, 8.4, 8.0, ___
Answer: 7.6
Rule: Subtract 0.4
Solve:
12.75 − 4.3 = ___
What is 8.45?
Sofia is biking to her grandmother's house. She has biked 1.45 miles and has 0.385 mile left to go. How far is Sofia's grandmother's house from her starting point?
What is 1.835 miles?
Three students collected cans:
How many pounds did they collect altogether?
What is 13.175 pounds?
Each of the numbers in a sequence.
What is term?
What are the next two numbers? What is the rule?
2.4, 3.0, 3.6, ___, ___
The rule is add 0.6.
Answer: 4.2 and 4.8
Solve:
1.7 + 2.65 = ____
What is 4.35?
Lucas has a piece of string that is 3.5 meters long. He cuts off 0.675 meter. How much string does Lucas have left?
What is 2.825 meters?
A store sells notebooks for $2.75 each.
If the price follows this pattern:
How much would 6 notebooks cost?
What is $16.50?
Pair of operations that undo each other.
What is inverse operation?
A sequence follows the same pattern:
4.75, 5.03, 5.31, 5.59, ___
What is the rule and the next number?
How can you use inverse operation to find the next term?
Answer: Add 0.28; next number = 5.87
Rule: Add 0.28; next term = 5.87
You can use the inverse operation of addition, which is subtraction, to figure out the rule. For example, 5.03 - 4.75 = 0.28
The Skate Shop rents roller skates. The cost is $6.75 for 1 hour, $10.25 for 2 hours, $13.75 for 3 hours, and $17.25 for 4 hours. If the pattern continues, how much will it cost Maya to rent roller skates for 7 hours?
Answer: $27.75
Rule: Add $3.50 each hour.
Bob walks 1.276 miles from school to his house. He has already walked 0.45 mile. How many more miles does Bob need to walk to get home?
What is 0.826 mile?
At the end of September, Ms. Rivera had a balance of $526.85 in her bank account. Since then, she has written two checks for $128.46 and $37.29 and made a deposit of $645.00. Ms. Rivera says her balance is $1,006.10. Is she correct? Explain how you know.
Yes, Ms. Rivera is correct.
$526.85 - $128.46 - $37.29 + $645.00 = $1,006.10