Comparing/Rounding Decimals
Round 2.341 to the nearest tenth
2.3
56.04 + 3.07
59.11
3 times 20.175
60.525
Solve
4.652 x 100
465.2
Researchers counted 8,912 monarch butterflies on one branch of a tree at a site in Mexico. They estimated that the total number of butterflies at the site was 1000 times as large. About how many butterflies were at the site in all?
8,912,000
Round 8.99 to the nearest tenth
9.0
5.182 – 0.09
5.092
5.372 ÷ 4
1.343
1.65 ÷ 10
0.165
Ted says that 3 tenths multiplied by 100 equal 300 thousandths. Is he correct? Explain your answer.
No, Ted is incorrect.
0.3x100=30
Order these numbers from least to greatest
1.6, 0.967, 1.243, 0.94
0.94, 0.967, 1.243, 1.6
8.246 – 5 hundredths
8.196
Mrs. Mayuko paid $40.68 for 3 kg of shrimp. What’s the cost of 1 kilogram of shrimp?
1 kilogram of shrimp will cost $13.56
Write an equation using an exponent that would show
6.72x1,000
Solve the equation
6.72x103=6,072
A rope 8.7 m long is cut into 5 equal pieces. How long is each piece?
1.74 m
Rainfall collected in a rain gauge was found to be 3.4 cm when rounded to the nearest tenth of a centimeter.
Which of the measurements below that could be the actual measurement of the rainfall?
3.351 cm 3.295 cm
3.449 cm 3.452 cm
3.351
3.449
For his parents’ anniversary, Danny spends $5.87 on a photo. He also buys 1 balloon for $2.49 and a box of strawberries for $4.50. How much money does he spend all together?
$12.86
Shelly weighs 8.3 kg. Her older brother is 4 times as heavy as her. How much does her older brother’s
weight in kg?
33.2
Imagine New York City’s rainfall is 2.065 meters every year. If this continued, how much rain would fall in 100 years?
2.065x100=206.5
The total weight of 6 pieces of butter and a bag of sugar is 3.8 lb. If the weight of the bag of sugar is
1.4 lb, what is the weight of each piece of butter?
Each piece of butter weighs 0.4 pounds.
James measured his hand. It was 0.17 meters. Jennifer measured her hand. It was 0.165 meters. Whose hand is bigger? How do you know?
James's hand is bigger. When you line the numbers up, you can see that the 7 in 0.17 is bigger than the 6 in 0.165.
A clipboard costs $2.23. A notebook costs $2.81. Lisa buys one clipboard and one notebook, and paid with a ten dollar bill. How much change will she have left?
$4.96
Leanne multiplied 8 x 4.3 and got 32.24. Is Leanne correct? Explain your reasoning.
No, Leanne is not correct. 8 x 4.3=34.4
Write 0.923 in word form and expanded form.
Word Form: nine hundred twenty-three thousandths
Expanded Form: (9x1/10)+(2x1/100)+(3x1/1000)
Anna buys groceries for her family. Hamburger meat is $3.38 per pound and sweet potatoes are $0.79 each. If Anna buys 2 pounds of meat and 5 sweet potatoes, what will she pay in all for the groceries?
$10.71