Adding and Subtraction Decimals
0.2 + 0.4 =
0.6 or 6/10
24.68 / 0.2
123.4
28.5 x 1.4
39.9
Compare these decimals.
0.19 ____ 1.09
0.19 < 1.09
An adult ticket for a day at the zoo costs $9.95, while a child ticket costs $6.75. How much will it cost for one adult and one child to spend a day at the zoo?
Answer: $16.70
0.36-0.08
0.28 or 28/100
8.88 / 1.1
8.072
88.8 x 7.7
683.76
Compare these decimals.
0.01 _____ 0.10
0.01 < 0.10
less than
Dan bought a pair of jeans for $42.95 and a shirt for $17.65. How much did the whole outfit cost him?
Answer: $60.60
0.55 + 0.3
0.85 or 85/100
48.60 / 1.2
40.5
11.111 x 1.1
12.2221
Compare these decimals.
0.9 ___ 0.90
0.9 = 0.90
equal to
Jack had $10. He bought a pair of socks for $2.30 and a pair of gloves for $5.50. How much money did he have left?
$10.00 – $2.30 – $5.50 = $2.20 Jack had $2.20 left.
0.5 - 0.39 =
= 0.11
Write in order from least to greatest.
0.02 0.22 0.21 0.2
0.02, 0.2, 0.21, 0.22
A music store is having its “Black Friday” sale. The store will give $5 off for the second item a customer purchases. Emma wants to buy a pair of headphones for $25 and a CD for $18.50. How much does she need to pay in total?
$25.00 + $18.50 – $5.00 = $38.50 Emma needs to pay $38.50.
0.6 + 0.44 =
1.04 or 104/100
Each student in Grade Four was given 20 raffle tickets to sell to raise funds for their school. The price of each ticket is $1.50. If Olivia sold all her tickets, how much money did she raise for her school? If there are 30 students in grade 4, and they all sold all of their tickets, how much money was raised altogether?
$1.50 x 20 = $30 Olivia raised $30 for her school 30 x $30 = $900 Altogether, the grade 4 class raised $900.