Subtract a 2-Digit from 3-Digits Year 3 Resource Pack includes a teaching PowerPoint and differentiated varied fluency and reasoning and problem solving resources for Autumn Block 2.
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This pack includes:
Mathematics Year 3: (3C2) Add and subtract numbers with up to three digits, using formal written methods of columnar addition and subtraction
Mathematics Year 3: (3C4) Solve problems, including missing number problems, using number facts, place value, and more complex addition and subtraction
Differentiation:
Varied Fluency
Developing Questions to support subtracting a 2-digit number from a 3-digit number with some exchanging. Using Base 10 and numerals only. Pictorial support for all questions, with some scaffolding provided using Base 10 where an exchange takes place.
Expected Questions to support subtracting a 2-digit number from a 3-digit number with exchanging. Using numerals and some pictorial representations.
Greater Depth Questions to support subtracting a 2-digit number from a 3-digit number with exchanging. Using numerals, words and mixed representations within a question.
Reasoning and Problem Solving
Questions 1, 4 and 7 (Problem Solving)
Developing Find the missing values by subtracting a 2-digit number from a 3-digit number with some exchanging. Using Base 10 and numerals only. Pictorial support and scaffolding provided. Using Base 10 where an exchange takes place.
Expected Find the missing values by subtracting a 2-digit number from a 3-digit number with exchanging. Using numerals only.
Greater Depth Find the missing values by subtracting two 2-digit numbers from a 3-digit number with exchanging. Using numerals only.
Questions 2, 5 and 8 (Reasoning)
Developing Explain who has correctly subtracted a 2-digit number from a 3-digit number with some exchanging. Using Base 10 and numerals only. Pictorial support and scaffolding provided. Using Base 10 where an exchange takes place.
Expected Explain who has correctly subtracted a 2-digit number from a 3-digit number with exchanging. Using numerals and pictorial representations.
Greater Depth Explain who has correctly subtracted a 2-digit number from a 3-digit number with exchanging. Using numerals and mixed representations within a question.
Questions 3, 6 and 9 (Reasoning)
Developing Identify and explain the mistake in a column subtraction using knowledge of subtracting a 2-digit number from a 3-digit number with some exchanging. Using numerals only.
Expected Identify and explain the mistake using knowledge of subtracting a 2-digit number from a 3-digit number with exchanging. Using numerals only.
Greater Depth Identify and explain the mistake using knowledge of subtracting a 2-digit number from a 3-digit number with exchanging. Using numerals with multiple exchanges.
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