Grade 4 Academic Math U12L10HW1

1a. What number is 0.1 less than 0.85?

1b. What number is 0.01 more than 0.85?

1c. What number should be added to 0.85 to get 1?

2a. What sign, >, <, or =, goes in each ∆?

8.09 ∆ 8.9

2b. What sign, >, <, or =, goes in each ∆?

3.4 ∆ 3.40

2c. What sign, >, <, or =, goes in each ∆?

64.3 ∆ 21.28

2d. What sign, >, <, or =, goes in each ∆?

100 ∆ 1.00

3a. Order the numbers from least to greatest

0.4, $\frac{3}{10}$, 0.7, $\frac{8}{10}$

3b. Order the numbers from least to greatest

1, 0.45, 0, 0.09

3c. Order the numbers from least to greatest

4, 0.4, 0.04, 0.44

3d. Order the numbers from least to greatest

$3\frac{7}{10}$ (37/10), 2.9, $2\frac{5}{10}$ (25/10), 3.3

3e. Order the numbers from least to greatest

$5\frac{3}{100}$ (503/100), 5.3, 3.5, $3\frac{5}{100}$ (305/100)

3f. Order the numbers from least to greatest

$3\frac{1}{2}$ (7/2), $\frac{3}{2}$, $2\frac{3}{5}$ (13/5), 2.35

4a. Round each decimal to a whole number

0.2

4b. Round each decimal to a whole number

0.7

4c. Round each decimal to a whole number

4.5

4d. Round each decimal to a whole number

19.4

4e. Round each decimal to a whole number

58.5

4f. Round each decimal to a whole number

1.62

4g. Round each decimal to a whole number

45.08

4h. Round each decimal to a whole number

100.51

5a. Round each number to 1 decimal place

0.53

5b. Round each number to 1 decimal place

0.47

5c. Round each number to 1 decimal place

0.25

5d. Round each number to 1 decimal place

1.09

5e. Round each number to 1 decimal place

3.47

5f. Round each number to 1 decimal place

93.93

5g. Round each number to 1 decimal place

6.95

5h. Round each number to 1 decimal place

38.97

6. A watermelon weighs 5.8 kg. About how much does the watermelon weigh to the nearest kilogram?

7a. Usain ran the 100 m dash in 10.49 seconds. Express his time to the nearest tenth of a second

7b. Usain ran the 100 m dash in 10.49 seconds. Express his time to the nearest second

8a. Dion, Sofia, and Emma each swam 200 m. Their times in minutes are shown here

Who swam the fastest?

8b. Dion, Sofia, and Emma each swam 200 m. Their times in minutes are shown here

Express each time to 1 decimal place

9a. A flagpole is 4.98 m tall. Express the height of the flagpole to the nearest tenth of a meter

9b. A flagpole is 4.98 m tall. Express the height of the flagpole to the nearest meter

10a. Mei played tennis for 0.5 hours. Express this time in hours as a fraction in simplest form

10b. Mei played tennis for 0.5 hours. Express this time in minutes

11a. Alice is 4.25 ft tall. Express her height in feet as an improper fraction in simplest form

11b. Alice is 4.25 ft tall. Express her height in feet and inches