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# Mixed Age Year 2 and 3 Addition and Subtraction Step 14 Resource Pack ## Step 14: Mixed Age Year 2 and 3 Addition and Subtraction Step 14

Mixed Age Year 2 and 3 Addition and Subtraction Step 14 Resource Pack includes a teaching PowerPoint and differentiated varied fluency and reasoning and problem solving resources for this step which covers Year 3 Estimate Answers for Autumn Block 2.   ### What's included in the Pack?

This Mixed Age Year 2 and 3 Addition and Subtraction Step 14 pack includes:

• Mixed Age Year 2 and 3 Addition and Subtraction Step 14 Teaching PowerPoint with examples.

#### National Curriculum Objectives

Mathematics Year 3: (3C3) Estimate the answer to a calculation and use inverse operations to check answers

Differentiation for Year 3 Estimate Answers:
Varied Fluency
Developing Questions to support finding near numbers and estimating answers​ (using numbers under 100). Number line with start, end and middle markers given for each question.​
Expected Questions to support finding near numbers and estimating answers​ (using numbers under 1,000). Some number lines used with start and end markers.​
Greater Depth Questions to support finding near numbers and estimating answers (using numbers under 1,000).​

Reasoning and Problem Solving
Questions 1, 4 and 7 (Problem Solving)
Developing Using given clues, estimate the 2-digit number that meets the criteria. Number line with start, end and middle markers given.
Expected Using given clues, estimate the 3-digit number that meets the criteria. Number line with start and end markers given.
Greater Depth Using given clues, estimate the 3-digit number that meets the criteria. No number line given.

Questions 2, 5 and 8 (Problem Solving)
Developing Create a 2-digit addition or subtraction that produces a given estimated answer using six digit cards. Number line with start, end and middle markers given.
Expected Create a 3-digit addition or subtraction that produces a given estimated answer using six digit cards.
Greater Depth Create a 3-digit addition or subtraction that produces a given estimated answer using six digit cards, where two are blank.

Questions 3, 6 and 9 (Reasoning)
Developing Using estimation, explain which statement is correct. Number line given with start, middle and end markers.
Expected Using estimation, explain which statement is correct. Number line given with start and end markers.
Greater Depth Using estimation, explain which statement is correct. No number line given.