🧮 Addition Within 1000 — Adding Three-Digit Numbers
Explore the Coral Reef with Wanda!
Read the Story First!
🔤 Words to Know
Addition — A key concept in adding three-digit numbers.
Adding — Part of learning about addition within 1000.
Wanda counted 243 red fish and 135 blue fish at the anemone garden. "243 + 135?" asked Wanda.
"Same process, just with three columns!" said Scuba Bob. "Ones: 3+5=8. Tens: 4+3=7. Hundreds: 2+1=3."
"243 + 135 = 378!" said Wanda.
Then they tried 458 + 327: "Ones: 8+7=15, write 5 carry 1. Tens: 5+2+1=8. Hundreds: 4+3=7. Answer: 785!"
🧠 Answer the Questions
Read each question carefully. Pick the best answer!
What was the math topic?
Who helped Wanda learn?
What is addition?
34 + 25 = ?
67 - 23 = ?
What comes first when adding two-digit numbers?
45 + 38 = ?
90 - 56 = ?
What is adding?
52 + 19 = ?