Mathematics Steps to Success and Top Tips Year 2 - Pownall Green ...

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Steps to Success and Top Tips Shape, Space and Measures – Year 2 Key Learning Objectives 13. To estimate, measure and compare lengths using standard units Top Tips • Discuss the importance of standard units • Use a metre stick: make comparison- longer than/shorter than. • Make links with familiar classroom objects e.g. length of the desk is about 1m/a child • Make clear that the metre is the base unit of length. Understanding the size of the base unit will help understand the size of all other units. • There are smaller units such as centimetres which are 100 times smaller than the metre (centi = 1/100) • 1 cm is approximately the width of a child’s finger. • Discuss which unit you would use to measure different objects e.g. a door, a pencil etc. 14. To estimate, measure and compare masses using standard units Top Tips • Introduce 1kg and g as standard units for mass. • Sort objects into more or less than 1kg. • Make links with familiar objects e.g. food packaging • Make clear that the gram is the base unit of mass. Understanding the size of the base unit will help understand the size of all other units. • There are larger units such as kilogram which are 1000 times larger than a gram (kilo=1000). Link to children’s own weight. 15. To estimate, measure and compare capacities using standard units Top Tips • Make links with familiar objects e.g. volume of a water bottle/ soft drink bottle. • Make clear that the litre is the base unit of volume/capacity. Understanding the size of the base unit will help understand the size of all other units. • There are smaller units such as millilitres which are 1000 times smaller than the metre (milli = 1/1000) • Discuss when reading a scale in measuring and baking. 6
16. To read a simple scale and to use a ruler to draw and measure lines to the nearest centimetre Steps to Success 1. Ensure that you have the cm side and not the mm side of the ruler. 2. Place the Zero end of your rule at the end of your object, usually on the left side. 3. Make sure the end of the ruler is flush with your object, and use your left hand to hold it in place. 4. Move to the opposite side of the object you are measuring, 5. Read the last number on your rule that is alongside the object. This will indicate the "whole unit" length of the object. 17. To use the mathematical names for common 2-D and to sort shapes and describe some of their features Top Tips • Use the vocabulary: shape, flat, straight, curved, round, corner, side, edge, sort, circle, triangle, rectangle, square, pentagon, hexagon, octagon, circular, triangular, rectangular. • Feel a shape in a bag and name it. • Talk about the shapes and patterns in their environment and take digital photos • Choose a shape to match the properties described by the adult and name it: • Refer to the properties of shapes such as the number of corners and sides • Programme the robot to draw squares and rectangles • Refer to properties such as: reflective symmetry • Fold 2D shapes along lines of symmetry. • Draw lines of symmetry on 2-D shapes. • Use mirrors to identify lines of symmetry. • Practice making symmetrical shapes by cutting and folding. 7
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