Decimal place value

Question 1

In a science lab, a student measures three objects and gets 1.9 cm, 3.6 cm, and 7.2 cm. Which set shows the correct whole‑centimeter values for these measurements?

Accepted Answer

2, 4, 7

Answer

1, 4, 7

Answer

2, 3, 7

Answer

2, 4, 8

Question 2

Mia is baking cupcakes and needs to write each ingredient amount as a whole gram. The recipe calls for 2.5 g of sugar, 4.3 g of cocoa powder, 7.8 g of butter, and 9.0 g of flour. Which list shows the correct rounded whole‑gram amounts?

Accepted Answer

3 g, 4 g, 8 g, 9 g

Answer

2 g, 4 g, 7 g, 9 g

Answer

3 g, 5 g, 8 g, 9 g

Answer

2 g, 5 g, 8 g, 9 g

Question 3

Which list shows the numbers 2.3, 4.6, 5.5, and 7.2 correctly rounded to the nearest whole number?

Accepted Answer

2, 5, 6, 7

Answer

2, 4, 5, 7

Answer

3, 5, 6, 8

Answer

2, 5, 5, 7

Try three questions

In a science lab, a student measures three objects and gets 1.9 cm, 3.6 cm, and 7.2 cm. Which set shows the correct whole‑centimeter values for these measurements?

Mia is baking cupcakes and needs to write each ingredient amount as a whole gram. The recipe calls for 2.5 g of sugar, 4.3 g of cocoa powder, 7.8 g of butter, and 9.0 g of flour. Which list shows the correct rounded whole‑gram amounts?

Which list shows the numbers 2.3, 4.6, 5.5, and 7.2 correctly rounded to the nearest whole number?

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