Place Value
What is the value of the underlined digit? 0.146
6 x 1/100
0.006
6 thousandths
Compare the numbers below:
2.103 ____ 2.121
<
less than
Round to the place of the underlined digit:
37.492
37.5
Solve:
17.36+28.42=
45.78
Emily ran the the 50 yard dash in 48.3 seconds. Maria ran the 50 yard dash in 46.18 seconds. How many seconds faster was Maria’s time than Emily’s time?
Maria’s time was 2.12 seconds faster than Emily’s time.
Choose the value that makes the statement true. In the number 3.248, the value of the digit 2 is 2 _____, and the value of the digit 3 is 3 ______.
In the number 3.248, the value of the digit 2 is 2 tenths, and the value of the digit 3 is 3 ones.
Place these numbers in order from greatest to least.
2.115, 2.25, 1.11, 1.2
2.25; 2.115; 1.2; 1.11
True or False:
85.316 rounded to the nearest whole is 85
85.316 rounded to the nearest whole is 85
TRUE
Solve:
800.63-452.71=
347.92
Ms. Billi’s turkey weighs 13.28 pounds, and Ms. Arsenault’s turkey weighs 13.082 pounds. Who’s turkey weighs more and by how much?
Ms. Billi’s turkey weighs 0.198 pounds more than Ms. Arsenault’s turkey.
What is two and thirty-seven hundredths written in standard form?
2.37
Four scores for the math test were 87.7, 82.47, 87.47, and 82.4 points. Which score was the highest? Which was the lowest?
87.7 is the highest
82.4 is the lowest
Round 2.496 inches to the nearest tenth.
Tenth = 2.5
Solve:
4.35 + 1.8=
6.15
Sunny bought 4 Sunny D’s for his friends. Each juice cost $1.16. How much do all 4 juices cost?
1 = $1.16
2 = $2.32
3 = $3.48
4 = $4.64
What is twenty and two thousandths written in standard form?
20.002
Isaiah lives closer.
4.783 - 4.36 = 0.423 mile closer
Alexis’ bird weighed 69.72 grams at the beginning of summer. During the summer, the bird gained 34.8 grams. What is the weight of the bird at the end of summer rounded to the nearest whole number?
The weight at the end of summer is 104.52 grams which will round to 105 grams.
Solve:
7.2 - 5.491=
1.709
Vicky has $20. She spends $8.75 on admission to the ice skating rink, $4.25 to rent skates, and $1.35 each for 2 hot chocolates. How much money does she have left?
$20-$8.75 = $11.25
$11.25 - $4.25 = $7
$7 - $1.35 = $5.65
$5.65 - $1.35 = $4.30
Vicky has $4.30 left.
What is 20.202 in expanded form?
2 x 10 + 2 x 1/10 + 2 x 1/1,000
2 x 10 + 2 x 0.1 + 2 x 0.001
20 + 0.2 + 0.002
Emma's hair is 6.23 inches long. Sydney's hair is 7.58 inches long. Wendy's hair is 1.88 inches longer than Emma's. Whose hair is the longest?
6.23 + 1.88 = 8.11
8.11 > 7.58, so Wendy has the longest hair.
Juliana is going to Guanajuato again next summer. Each week, she records the value of one US dollar in Mexican pesos. The table shows the data she has recorded so far.
For which two weeks was the value of 1 US dollar the same when rounded to the nearest hundredth of a dollar?
Week 1: 19.687
Week 2: 19.674
Week 3: 19.683
Week 4: 19.690
Week 1 and Week 4 are both rounded to 19.69.
703.849 + 398.057=
1,101.906
The fourth graders collected 3.75 fewer pounds of food than the fifth graders collected. The fifth graders collected 42.5 pounds of food. How many pounds did the fourth graders collect?
38.75 pounds