Decimals: 3.8 + 0.9

In this Grade 4 lesson on Decimals, you will practice solving problems like: "What is 3.8 + 0.9?". Work through each problem carefully, use the hints if you need help, and check your answers. This builds your understanding of decimals step by step.

Nice work!

You got 0 of 5 right.

Next: Decimals: 0.1 × 5 All lessons

🎯

Next Smart Lesson

We'll pick a lesson that matches exactly where your math is right now.

✨ More to explore

🌍 Where you'd use this: Recipes, music, basketball stats, and sales tags are all fraction problems wearing disguises.

🤯 Fun fact: 🤯 Your phone screen, your pizza, and your music speed are all just fractions in disguise.

🏆 Try this week: Cut a pizza or pie into thirds. Then sixths. Compare.

👨‍👩‍👧 At dinner: “If we cut tonight's pizza into 8 slices, how many is each person's fair share?”

🔢Share card

Challenge a friend

Send it to a parent looking for a 5-minute math win that doesn't feel like homework.

Back

Ready?

Decimals: 3.8 + 0.9

Turn the recipe into the answer.

Full screen — no distractions

Done with math? Try something else

🎮Math Games 📖Math Flashcards 🖨️Math Worksheet 🧪Science 💻Coding 🛍️Shop 🎲I'm Bored

🖨️

Print the whole Decimals track

All 4th Grade Decimals lessons as a printable PDF, with worksheets and answer keys.

View in Shop

Decimals: 3.8 + 0.9

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Next Smart Lesson

Challenge a friend

Decimals: 3.8 + 0.9

Done with math? Try something else

Your Cart (0)