5.NBT.7: Adding and Subtracting Decimals

I can add, subtract, multiply, and divide decimals to hundredths.

Problem 1

Add: 3.4 + 2.5 = ? 💡 Hint: Line up the decimal points. 3.4 + 2.5 = 5.9
Answer:

Problem 2

Subtract: 7.8 - 3.2 = ? 💡 Hint: Keep decimal points aligned. 7.8 - 3.2 = 4.6
Answer:

Problem 3

Calculate: 5.6 + 1.3 = ? 💡 Hint: Add the tenths: 6 + 3 = 9. Add the ones: 5 + 1 = 6.
Answer:

Problem 4

Find: 9.7 - 4.5 = ? 💡 Hint: Subtract in each place value, borrowing if needed.
Answer:

Problem 5

Add: 2.8 + 4.1 = ? 💡 Hint: Line up the decimal points and add column by column.
Answer:

Problem 6

Subtract: 6.9 - 2.4 = ? 💡 Hint: 9 - 4 = 5 in tenths place, 6 - 2 = 4 in ones place.
Answer:

Problem 7

Calculate: 4.3 + 3.6 = ? 💡 Hint: 3 + 6 = 9 in tenths, 4 + 3 = 7 in ones.
Answer:

Problem 8

Find: 8.5 - 1.8 = ? 💡 Hint: You may need to borrow from the ones place.
Answer:

Problem 9

Add: 1.7 + 5.2 = ? 💡 Hint: Keep the decimal points lined up.
Answer:

Problem 10

Subtract: 7.4 - 3.9 = ? 💡 Hint: Borrow 1 from the ones place to subtract in tenths.
Answer: