Adding/Subtracting
Add
0.13 +1/10
0.23 or 23/100
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0.24 ▢ 2/10
0.24 > 2/10
What is the value of the 7 in 0.789
Tenths
Jose swims for 20 minutes. He rides his bike for 15 minutes longer than he swims. Then he walks his dog for 30 minutes. How long does it take Jose to swim, bike, and walk his dog?
85 minutes
Rob buys 2 sandwiches for $2.50 each and a bottle of water for $1.25. He pays with a $10 bill. How much does Rob receive in change?
$3.75
Subtract
0.8 - 23/100
57/100 pr 0.57
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0.52 ▢ 52/100
0.52 = 52/100
What is the value of the 4 in 0.742
hundredths
Adam watches a movie that is 2 hours
15 minutes long. How many minutes is
this time?
135 minutes
Rob buys 2 sandwiches for $2.50 each and a bottle of water for $1.25. He pays with a $10 bill. How much does Rob receive in change?
$3
Add
0.63 + 3/10
0.93 or 93/100
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0.34 ▢ 3/100
0.34 > 3/100
What is the value of the 2 in 0.952
thousandths
Mrs. Hall spends 1 hours 30 minutes doing yardwork. She spends 40 minutes cutting the grass. She divides the rest of her time evenly between planting a new bush and pulling weeds. How long does she spend pulling weeds?
25 minutes
Juan has $81. He divides this amount evenly into two funds: Save and Spend. He spends $15 on a movie. How much money does Juan have left in his Spend fund?
$25.50
Subtract
1 - 42/100
58/100 or 0.58
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1.12 ▢ 1 2/100
1.12 < 1 2/100
What is the value of the 6 in 0.863
hundredths
Tina wakes up at 7 : 00 am. She spends 10 minutes eating breakfast, 15 minutes getting ready for school, and the rest of the time reading. If she leaves for school at 8 : 00 am, how long does Tina spend reading?
35 minutes
Aaron has two $20 bills and one $10 bill. He buys 4 books for $8 each and a package of bookmarks for $6. Does he have enough to also buy a sketchbook for $15?
No, Aaron will need 3 more dollars.
Add
1.03 + 4 2/10
5.23
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4.21 ▢ 4 2/10
4.21 > 4 2/10
What is the value of the 1 in 0.185
tenths
At art class, Mr. Gibson spends 5 minutes giving instructions, 35 minutes working on the project, and 15 minutes cleaning up. If class starts at 1 : 15 pm, what time will it end?
2:10
Rachel earns $7.50 per hour babysitting. She babysits for 4 hours. She spends $12 of her earnings on a T-shirt. How much money does Rachel have left?
$18