🧮 Subtraction Within 1000 — Subtracting Three-Digit Numbers
Explore the Coral Reef with Scuba Bob!
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Read the Story First!
🔤 Words to Know
Subtraction — A key concept in subtracting three-digit numbers.
Subtracting — Part of learning about subtraction within 1000.
"The reef had 562 creatures yesterday. Today there are only 341," said Finn. "How many left?"
Scuba Bob worked it out: "562 - 341. Ones: 2-1=1. Tens: 6-4=2. Hundreds: 5-3=2. Answer: 221!"
"Try a harder one: 700 - 463," said Finn.
"0-3? Regroup! Borrow from tens... but tens is 0 too! Go to hundreds," said Scuba Bob.
🧠 Answer the Questions
Read each question carefully. Pick the best answer!
Question 1📖 Comprehension
What was the math topic?
Question 2📖 Comprehension
Who helped Scuba Bob learn?
Question 3🔤 Vocabulary
What is subtraction?
Question 4🧮 Math
34 + 25 = ?
Question 5🧮 Math
67 - 23 = ?
Question 6📖 Comprehension
What comes first when adding two-digit numbers?
Question 7🧮 Math
45 + 38 = ?
Question 8🧮 Math
90 - 56 = ?
Question 9🔤 Vocabulary
What is subtracting?
Question 10🧮 Math
52 + 19 = ?
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Quiz Complete!
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