Mixed Age Year 1 and 2 Weight and Volume Step 3 Resource Pack includes a teaching PowerPoint and differentiated varied fluency and reasoning and problem solving resources for this step which covers Year 1 Compare Mass and Year 2 Measure Mass (kg) for Spring Block 4.

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This Mixed Age Year 1 and 2 Weight and Volume Step 3 pack includes:

- Mixed Age Year 1 and 2 Weight and Volume Step 3 Teaching PowerPoint with examples for both year groups.
- Year 1 Compare Mass Varied Fluency with answers.
- Year 1 Compare Mass Reasoning and Problem Solving with answers.
- Year 2 Measure Mass (kg) Varied Fluency with answers.
- Year 2 Measure Mass (kg) Reasoning and Problem Solving with answers.

Mathematics Year 1: (1M1) Compare, describe and solve practical problems for:

capacity and volume [for example, full/empty, more than, less than, half, half full, quarter]

Time [for example, quicker, slower, earlier, later]

Mathematics Year 1: (1M2) Measure and begin to record: lengths and heights mass/weight capacity and volume time (hours, minutes, seconds)

Mathematics Year 2: (2M1) Compare and order lengths, mass, volume/capacity and record the results using >, < and =

**Differentiation for Year 1 Compare Mass:**

**Varied Fluency**

**Developing **Questions to support comparing the mass of two objects measured using one type of non-standard unit where scales are balanced, or units of measure are equal.

**Expected **Questions to support comparing the mass of two objects measured using various non-standard units where scales are imbalanced and units of measure are unequal.

**Greater Depth **Questions to support comparing the mass of two objects measured using various non-standard units where the mass of an object is sometimes doubled or halved to find an answer.

**Reasoning and Problem Solving**

**Questions 1, 4 and 7 (Problem Solving)**

**Developing **Choose from two options when comparing the mass of two objects; using number bonds to ten and one type of non-standard unit. Includes images in the statements.

**Expected **Choose from three options when comparing the mass of two objects; using addition and subtraction within 20 and various non-standard units. Statements in words only.

**Greater Depth **Choose from three options when comparing the mass of two objects; using various non-standard units. Not all weights given explicitly, requiring half and double knowledge.

**Questions 2, 5 and 8 (Reasoning)**

**Developing **Explain how many more is needed to balance scales when comparing the mass of two objects, no more than 5 more or 5 less.

**Expected **Explain how to balance the scales when comparing the mass of two objects; using a given number of units.

**Greater Depth **Explain what is needed to balance the scales when comparing the mass of two objects; using various non-standard units where the weight of an object is sometimes doubled or halved.

**Questions 3, 6 and 9 (Problem Solving)**

**Developing **Arrange objects to balance using one type of non-standard unit; where two out of three objects are equal.

**Expected **Arrange objects to balance using various non-standard units; where more than one object may be needed.

**Greater Depth **Arrange objects to balance using various non-standard units; combinations of objects are needed to find the answer. Not all masses given explicitly.

**Differentiation for Year 2 Measure Mass (kg):**

**Varied Fluency**

**Developing **Questions to support measuring and comparing mass in kg including reading scales (with each unit marked numerically) and estimating mass.

**Expected **Questions to support measuring and comparing mass in kg including reading scales where counting in 10s and 2s is required and estimating mass.

**Greater Depth **Questions to support measuring and comparing mass in kg including reading scales where counting in 2s, 5s and 10s is required and estimating mass.

**Reasoning and Problem Solving**

**Questions 1, 4 and 7 (Problem Solving)**

**Developing **Place objects in a table based on their most reasonable unit of measure. Limited to three objects.

**Expected **Place objects in a table based on their most reasonable unit of measure. Limited to four objects.

**Greater Depth **Place objects in a table based on their most reasonable unit of measure. Limited to six objects.

**Questions 2, 5 and 8 (Problem Solving)**

**Developing **Use < or > to complete a sentence (kg only).

**Expected **Use < or > to complete a sentence (kg only).

**Greater Depth **Use < or > to complete a sentence (kg and g).

**Questions 3, 6 and 9 (Reasoning)**

**Developing **Explain the mistake a child has made when working out the weight of an item on a scale. 1 mistake made by misreading the scale (all points numbered).

**Expected **Explain the mistake a child has made when working out the weight of an item on a scale. 1 mistake made by misreading the scale (scale in tens).

**Greater Depth **Explain the mistake a child has made when working out the weight of an item on a scale. Mistake could be scale or unit used.

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