This grade 4 decimals worksheet gives 24 problems on decimal fractions and decimal notation, ordered from easy to hard, with a separate answer key.
These 24 problems practice decimal fractions and decimal notation (4.NF.C.5, 4.NF.C.6, 4.NF.C.7). You will connect tenths and hundredths to fractions and grids, add fractions with denominators 10 and 100, and compare decimals. The last six problems are word problems.
Grade 4 Decimals Worksheet: problems 1–5
Problem 1: Shaded tenths
Write the shaded part as a fraction and as a decimal.
Problem 2: Shaded hundredths
Write the shaded part of the grid as a fraction and as a decimal.
Problem 3: Tenths to decimal
Write \( rac{8}{10}\) as a decimal.
Problem 4: Decimal to tenths
Write 0.9 as a fraction.
Problem 5: Hundredths to decimal
Write \( rac{23}{100}\) as a decimal.
Grade 4 Decimals Worksheet: problems 6–10
Problem 6: Decimal to hundredths
Write 0.07 as a fraction.
Problem 7: Tenths as hundredths
Write \( rac{4}{10}\) as a fraction with denominator 100, then as a decimal.
Problem 8: Decimal as hundredths
Fill in the blank: \(0.6 = rac{\underline{\quad}}{100}\).
Problem 9: Place value chart
Name the value of each digit in 5.38.
Problem 10: Expanded form
Write \(2 + rac{4}{10} + rac{9}{100}\) as a decimal.
Grade 4 Decimals Worksheet: problems 11–15
Problem 11: Tenths plus hundredths
Find \( rac{3}{10} + rac{5}{100}\). Write the sum as a fraction and as a decimal.
Problem 12: Adding fractions with different denominators
Find \( rac{2}{10} + rac{47}{100}\). Write the sum as a decimal.
Problem 13: Point on a number line
Write the decimal for point P.
Problem 14: Compare 0.4 and 0.38
Write <, >, or = to compare \(0.4 \;\underline{\quad}\; 0.38\).
Problem 15: Compare 0.09 and 0.9
Write <, >, or = to compare \(0.09 \;\underline{\quad}\; 0.9\).
Grade 4 Decimals Worksheet: problems 16–20
Problem 16: Same amount?
Noah says 0.3 and 0.30 are different because 0.30 has more digits. Is he correct? Use the grids.
Problem 17: Order four decimals
Write 0.5, 0.45, 0.54, and 0.05 in order from least to greatest.
Problem 18: Dimes and pennies
Sofia has 3 dimes and 6 pennies. Write her money as a fraction of a dollar and as a decimal amount in dollars.
Problem 19: Who ran farther?
Ethan ran 0.7 mile. Jamal ran 0.65 mile. Who ran farther?
Problem 20: Rainy days
It rained 0.3 inch on Monday and 0.28 inch on Tuesday. Which day had more rain? How much rain fell in all? Use fractions to add.
Grade 4 Decimals Worksheet: problems 21–24
Problem 21: School garden
A garden has 100 equal squares. Diego plants tomatoes in 27 squares and carrots in \( rac{3}{10}\) of the squares. Write the part of the garden planted with each crop as a decimal. Which crop covers more? What decimal part is planted in all?
Problem 22: Bike rides in order
Priya bikes 0.8 mile on Monday, 0.75 mile on Tuesday, and 0.08 mile on Wednesday. List the distances from shortest to longest. Write the longest distance as a fraction.
Problem 23: Bake sale cookies
At a bake sale, \( rac{3}{10}\) of the 100 cookies were chocolate chip and \( rac{24}{100}\) were oatmeal. Write each part as a decimal, tell which kind there were more of, and find the decimal part of the cookies that were one of these two kinds.
Problem 24: Ribbon for a gift
Priya has \( rac{7}{10}\) yard of red ribbon and \( rac{15}{100}\) yard of blue ribbon. She needs 0.9 yard to wrap a gift. Does she have enough? If not, how much more does she need?
How to use this grade 4 decimals worksheet
Print this grade 4 decimals worksheet as a PDF, solve every problem on paper, then compare with the answer key.
See every chapter on the Grade 4 math page.
