Adding decimals
What are at least 2 things you MUST do before you begin adding your decimals?
1. line up your decimals
2. put 0's in your blank spaces
3. bring down your decimal
Solve for the difference:
2.4 - 1.2 = _____
1.2
What is the first thing you do before multiplying decimals?
Always count the number of digits (or place values) behind the decimal point!!
Match each of the following indicator words to an operation:
1. receiving change sum (+)
2. altogether product (x)
3. Times difference (-)
1. Receiving change= difference (subtract)
2. Altogether= sum (addition)
3. Times= product (multiply)
Solve for the sum:
2.5+5.4=_____
7.9 :)
15.8 - 4.4
11.4
Find the product:
1.2 x 0.4
0.48
$32.55
Solve for the sum:
12.2+6.7=_____
18.9 :)
Solve for the difference:
13.6 - 2.7
10.9
Find the product:
1.246 x 0.5
0.6230 OR 0.623
Lennon went to the store and put gas in her car. She spent $11.22 on gas. If she paid with a $15.00 bill, how much change would she receive?
$3.78 in change.
Solve for the sum:
178.94 + 3.25
182.19 :)
Solve for the difference:
24.13 - 2.35
21.78
Find the product:
0.47 x 5.8
2.726
Charlie went to the store to by dog food. She spent $17.45 and paid with a $20 bill. How much change did Charlie receive?
She received $2.55 in change.
Solve for the sum:
0.065 + 0.05678
0.12178
12- 0.1234
11.8766
Find the product:
0.33 x 0.042
0.01386
Dawson made a batch of cookies that required 1.5 cups of sugar. How much sugar would he need if he used 2.5 times that amount?
3.75 cups of sugar