Adding/Subtracting Decimals
A botanist was measuring how tall her plant grew. After two weeks it had grown 14.06 inches. The second week alone it had grown 4.16 inches! How much did it grow the first week?
9.9 inches
0.6 x 0.8 =
0.48
$21.51
Kaylin mixed two liquids for a science experiment. One container held 7/8 cup and the other held 9/10 cup. What is the total amount of the mixture?
71/40 cup which reduces to 1 31/40 cup
Lucas lives ⅝ mile from school. Kenny lives twice as far as Lucas from the school. How many miles does Kenny live from the school?
10/8 miles or 1 2/8 miles or 1 1/4 miles
Rachel downloaded two apps which were 16.86 kb total. If one app was 7.76 kb, how big was the other app?
9.1 kb
12.5 x 0.5 =
6.25
Derick spent $0.45 each on a packs of gum. He purchased 8 packs. How much was his total (not including tax) did Derick spend on gum?
$3.60
Henry brought ¼ pound of screws and ⅖ pound of nails to build a skateboard ramp. What is the total weight of the screws and nails?
13/20 pound
Leah makes aprons to sell at a craft fair. She needs ¾ yard of material to make each apron. How much material does Leah need to make 6 aprons?
18/4 yard or 4 2/4 yard or 4 1/2 yard
Janet was trying to put some files on her flash drive.
If she had one file that was 7.87 mb and another file that was 5.8 mb what is their combined file size?
13.67 mb
0.123 x 18 =
2.214
If the cost of a case of Dr. Peppers are $6.99 each and a person purchased 13 cases, how much money would that person spend? (excluding tax)
$90.87
Jacob bought 7 ½ pounds of meatballs. He decided to cook 1 ¼ pounds and freeze the rest. How many pounds did he freeze?
6 1/4 pounds of meatballs
Marlon brought ⅞ pound of turkey at the deli. He used ⅔ of it to make sandwiches for lunch. How much of the turkey did Marion use for sandwiches?
14/24 pound or 7/12 pound of turkey
Dave was weighing the amount of candy he received for Halloween. If he received 5.34 kg and his brother received 8.2 kg, how much candy did they get all together?
13.54 kg
645 x 0.24 =
154.8
If Raymond is buying shoes for $148.46 and a shirt for $54.63, and the tax was $20.30, how much money would he receive back if he handed the cashier $250.00?
$26.61
Jill walked 8 ⅛ miles to a park and then 7 ⅔ miles home. How many miles did she walk in all?
15 19/24 miles
A group of students attend a math club. Half of the students have brown hair and 4/9 of those students have brown eyes too. What fraction of the group have brown eyes and brown hair?
1/2 x 4/9 = 4/18 or 2/9 of the students have brown hair and brown eyes
Billy was checking how much power his lights used. His first light by itself used 60.88 amps. When he turned on the second light, together they used 126.58 amps. How many amps did just the second light use?
65.7 amps
4.25 x 9.8 =
41.65
Allison bought five bags of candy for her pinata. Each bag was $3.49. The tax was 1.75. How much money did Allison spend on candy?
$19.20
Carlene bought 8 ¹/₁₆ yards of ribbon to decorate a shirt. She only used 5 ½ yards. How much ribbon does she have left over?
2 9/16 yards
Jason ran 5/7 of the distance around the school track. Sara ran 4/5 of Jason’s distance. What fraction of he total distance around the track did Sara run?
20/35 of the distance which reduces to 4/7 of a the distance around the track