Embedded Files
Core concept: The halfway point is an equal length from the beginning and end points.
Warm-up/Daily number sense: Show me – 10 minutes
Warm-up/Daily number sense: Show me – 10 minutes
Build student understanding of one more and one less by identifying the number that is one more and one less than a given numeral.
Build student understanding of one more and one less by identifying the number that is one more and one less than a given numeral.
- Provide students with loose items. Students work in groups of 3 and sit in a circle. Place playing cards face down in a pile in the middle. One student selects a card and looks at the number without showing the other group members. The student uses loose items to create that quantity.
- The student to the left creates a quantity one less than the modelled quantity and the student to the right creates a quantity one more than the modelled quantity.
Activity: Making a starburst – 45 minutes
Activity: Making a starburst – 45 minutes
Ask students what they notice. Explain that they will be using their knowledge of halves to make a starburst.
Ask students what they notice. Explain that they will be using their knowledge of halves to make a starburst.
Show a strip of A3 paper and revise previous lesson, inviting students to share the methods they could use to fold a strip of paper into 2 equal halves.
Show a strip of A3 paper and revise previous lesson, inviting students to share the methods they could use to fold a strip of paper into 2 equal halves.
Give each student 6 different length strips of coloured A4 paper. Each strip should be approximately 1 cm wide.
Give each student 6 different length strips of coloured A4 paper. Each strip should be approximately 1 cm wide.
Provide students time to estimate the halfway point on one of their strips and draw a line on it. Students check their halfway point by folding the paper strip.
Provide students time to estimate the halfway point on one of their strips and draw a line on it. Students check their halfway point by folding the paper strip.
Circulate to check students’ work and provide feedback while they estimate and check their halfway points on the rest of the strips.
Circulate to check students’ work and provide feedback while they estimate and check their halfway points on the rest of the strips.
Make a starburst artwork by arranging the paper strips on top of each other in a circular shape. Use the halfway point of the strips to centre them.
Make a starburst artwork by arranging the paper strips on top of each other in a circular shape. Use the halfway point of the strips to centre them.
Circulate and assist students to glue them onto a background A4 sheet to finish their artwork.
Circulate and assist students to glue them onto a background A4 sheet to finish their artwork.
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