Place Value
What place value is the digit 3 in 4.3?
Tenths
Where should the decimal points be when adding decimals?
Lined up vertically
If a pencil costs $1.20 and an eraser costs $0.30, what is the total?
$1.50
12.35 + 11.21 =
23.56
______ and hundredths come after the decimal point.
tenths
What place value is the digit 5 in 2.75?
Hundredths
True or False: You can add decimals the same way as whole numbers once they are aligned.
True
A juice costs $2.45 and a snack costs $1.25. What is the total?
$3.70
20.45+54.21=
74.66
True or False: Adding zeros to the end of a decimal changes its value.
Example: 2.3 → 2.30
False
Which digit shows the tenths place in 6.82?
8
Why do we line up decimal points?
So digits in the same place value are added correctly.
You buy a marker for $0.75 and a folder for $1.50.
$2.25
25.35+40.61=
65.96
Which is larger?
0.8 or 0.56
0.8
True or False: The number 0.9 is greater than 0.59.
True
What is wrong with this addition?
4.24
+ 37
Decimal points are not aligned.
Your total is $5.35 after buying two items. One item is $2.10.
How much was the other?
$3.25
175.231+211.363
386.594
A customer spent $10.00 buying THREE items.
Two items are:
$3.50 and $2.25.
How much is the third item?
$4.25
Write the decimal in words: 3.07
Three and seven hundredths
Solve the following:
4.25
+1.61
5.86
Find the total:
Candy: $0.99
Cookie: $1.45
Juice: $2.30
$4.74
256.31+32.1
288.41
Solve the mystery total:
When two decimals add up to 5.50, one of them is 3.35.
What is the other number?
2.15