Indicators Cultural Main Teaching Vocabulary Resources Evaluation Lesson D uses concrete Non verbal Show children examples of the Aboriginal, Torres Strait Island and Australian flags and Subtract 10 frames materials, ask them to identify them (Assessment opportunity). Show students Smart symbols ‘Flags’ including fingers, Board presentation. Take away Flag tokens Flags to solve simple Symbols and addition and Warm up: How many Dice images subtraction Draw a giant 10 frame on the carpet with chalk and select 10 students to fill it. Ask the are left? problems children how many children there are in the frame and how they know. Using a large Books dice roll the dice and subtract a number of children from the frame. Use non-verbal Deconstruct / compares two symbol of pulling hands apart to remind students that subtraction means we are taking How many Reconstruct Pencils groups of objects part away from a group. As a class decide how we could record what we have found. more to and describes Extend this activity to a 20 frame if children are able. make 10? many ‘how more’ Main teaching: Flag 10 frames (Ten Frame Subtractions Adaptation, , K-6 Mathematics Units of Work NSW 2003) Show children the same activity as in the warm up except that instead of using our bodies we will use flags. As a whole class practise subtracting an amount from 10 and recording. (Recording may be through a sentence e.g. 10 take away ____ makes ____) Also attempt to subtract from 20 by putting 2 10 frames together. Break into small groups for students to work with a teacher/stage 3 buddy to subtract independently and record findings in their Maths Mob books. Conclusion: Share work samples with the class and talk about patterns the children found when subtracting e.g. friends of ten and/or friends of 20.
Lesson Indicators Cultural Main Teaching Vocabulary Resources Evaluation D Flags uses concrete materials, including fingers, to solve simple addition and subtraction problems compares two groups of objects and describes ‘how many more’ Non verbal symbols Symbols and images Deconstruct / Reconstruct Show children examples of the Aboriginal, Torres Strait Island and Australian flags and ask them to identify them (Assessment opportunity). Show students ‘Flags’ Smart Board presentation. Warm up: Draw a giant 10 frame on the carpet with chalk and select 10 students to fill it. Ask the children how many children there are in the frame and how they know. Using a large dice roll the dice and subtract a number of children from the frame. Use non-verbal symbol of pulling hands apart to remind students that subtraction means we are taking part away from a group. As a class decide how we could record what we have found. Extend this activity to a 20 frame if children are able. Main teaching: Flag 10 frames (Ten Frame Subtractions Adaptation, , K-6 Mathematics Units of Work NSW 2003) Show children the same activity as in the warm up except that instead of using our bodies we will use flags. As a whole class practise subtracting an amount from 10 and recording. (Recording may be through a sentence e.g. 10 take away ____ makes ____) Also attempt to subtract from 20 by putting 2 10 frames together. Break into small groups for students to work with a teacher/stage 3 buddy to subtract independently and record findings in their Maths Mob books. Conclusion: Share work samples with the class and talk about patterns the children found when subtracting e.g. friends of ten and/or friends of 20. Subtract Take away How many are left? How many more to make 10? 10 frames Flag tokens Dice Books Pencils