Big Ideas of Mathematics: - I See Maths

Big Ideas of Mathematics: - I See Maths

A tub contains 24 coins. Saj takes 5 coins. Joss takes 10 coins. How many coins are left in the tub?

en runs for 15 minutes every day. How long does she run for each week? Give your answer in hours and minutes.

Big Ideas of Mathematics: Subtraction and Additive Reasoning Example A: Jen has 8 sweets. Kim has 5 sweets. How many more sweets does Jen have? Example B: Tim had some money. He was

given 8 more by his Dad. Then he spent 5. How much more/less money does Tim have now? Example C: Kam had 8 grapes. He ate 5. How many does he have left?

There are children at the playground. There are

more boys than girls. There are 8 children at the playground. There are more boys than girls. There are 8 children at the playground.

There are 2 more boys than girls. There are 10 children at the playground. There are more girls than boys. There are 10 children at the playground.

There are 4 more girls than boys. A pencil and a rubber cost 40p. The pencil costs 10p more than the rubber. How much does the rubber cost?

The sum of two numbers is 9. The difference between the numbers is 4. What are the numbers? 72 less than 265 Tim:

- 72 265 Rob:

Sam: 265 - 72 265

- 72 Big Ideas of Mathematics: Multiplicative reasoning Big Ideas of Mathematics:

Multiplicative reasoning Example A: Ben has 3 times as many conkers as Holly. Ben and Holly have 12 conkers in total. How many conkers does Holly have? Example B:

Zara is 3 years old. Helen is 5 years old. When Zara is 9 years old, how old will Whats the same? Whats different?

65 4 64 5 54 6

Whats the same? Whats different? 65 4 64 5

54 6 All answers are the same

All different answers Some answers are

the same Whats the same? Whats different? 65 4 = 260

54 6 = 324 60 4 = 240 5 4 = 20 50 6 = 300

4 6 = 24 64 5 = 320 60 5 = 300 4 5 = 20

All answers are the same All different

answers Some answers are the same

8 5 8

4 5 0

8 80 50

0 5 80

50 4 8

4 5 80

50 0 8

4 0 5

80 50 4

4 mirror Variation 72=

83= 94= Variation 72= 83=

94= 6 + ___ = 10 16 + ___ = 20 26 + ___ =

30 16 + ___ = 30 Variation 72=

83= 94= 6 + ___ = 10 16 + ___ = 20

26 + ___ = 30 16 + ___ = 30 Variation

50% of 60 = 10% of 60 = 40% of 60 = 60% of 40 = Variation

50% of 60 = 12 10 = 10% of 60 =

12 5 = 40% of 60 = 14 5 =

60% of 40 = 7 10 = 2

2 2 2

Quantity Recognition Base-5/Base-10 Parts in a whole Quantity

Recognition Base-5/Base-10 Parts in a whole Quantity Recognition

Base-5/Base-10 Parts in a whole ontinue and make patterns pot and correct mistakes

epresent a pattern with other objec dentify unit of repeat Circular patterns

Circular, fixed spaces Pre-teaching and plenary Feedback to extend thinking

Storage and retrieval strength Individual and pair discussion A tub contains 24 coins. Saj takes 5 coins. Joss takes 10 coins.

How many coins are left in the tub? en runs for 15 minutes every day. How long does she run for each week?

Give your answer in hours and minutes. Zara Sandwich:

1.80 Drink: 30p Zara has 10. How many sandwiches can she

afford? Zara Sandwich: 1.80

Drink: 30p Zara has 10. How many sandwiches can she afford?

Zara Sandwich: 1.80 Drink: 30p

Zara has 10. How many sandwiches can she afford?

Zara Sandwich: 1.80 Drink: 30p

Zara wants to buy 3 sandwiches and 2 drinks. She has 5. How much more money does she need? Zara

Sandwich: 1.80 Drink: 30p Zara wants to buy 3 sandwiches

and 2 drinks. She has 5. How much more money does she need? Zara

Sandwich: 1.80 Drink: 30p Zara wants to buy 3 sandwiches and 2 drinks. She has 5.

How much more money does she need? Zara Sandwich:

1.80 Drink: 30p Zara wants to buy 3 sandwiches and 2 drinks. She has 5. How much change does she

get? Zara Sandwich: 1.80

Drink: 30p Zara wants to buy 3 sandwiches and 2 drinks. She has 5. How much change does she get?

Zara Sandwich: 1.80 Drink: 30p

Zara wants to buy 3 sandwiches and 2 drinks. She has 10. How much change does she get?

Choose 3 consecutive single-digit numbers. Choose 3 consecutive single-digit numbers. Add them. Choose 3 consecutive single-digit numbers.

Add them. Multiply the middle number by 3. What do you notice? John goes on a 3-day holiday. He makes 15 sandcastles.

Each day he makes one more sandcastle than the day before. How many sandcastles does he make each day?

Recently Viewed Presentations

  • Eoct Vocabulary: - Pc\|Mac

    Eoct Vocabulary: - Pc\|Mac

    Brave men run in my family." ... Of Mice and Men] INDIRECT CHARACTERIZATION. Definition: o. ccurs when the . audience has to . figure out . ... opens with dramatic action rather than exposition setting up the characters and situation....
  • Cell Structure and Function - Amazon S3

    Cell Structure and Function - Amazon S3

    2) Draw a cell and label it's parts Cell Basics Smallest Unit of Living Things Organisms can be Unicellular only one cell Multicellular made of many cells Cell Basics Cells can be Prokaryotic Unicellular No Nucleus (simple) Example: Bacteria Eukaryotic...
  • RDA Toolkit 3R Beta Site

    RDA Toolkit 3R Beta Site

    The workflows that you currently have in the RDA Toolkit will have to be rewritten for the new version. Because of the significant re-arrangement that the RDA instructions have undergone, existing workflows will not be compatible. This is unfortunate and...
  • In this century an understanding of sustainability will

    In this century an understanding of sustainability will

    In this century an understanding of sustainability will be critical for every person in a leadership role in every sector of society. The College of Sustainability offers the opportunity for every Dalhousie student and professor to engage meaningfully with issues...
  • Coastal management 1 Coastal defence (management) against flooding

    Coastal management 1 Coastal defence (management) against flooding

    Cliff . regrading - extending it forward, making slope longer and less steep. Reduces the risk of mass movement. Rip rap placement - Large boulders at the base of the cliff to resist wave attack and dissipate wave energy. Drainage...
  • ASE324: Aerospace Materials Laboratory Instructor: Rui Huang Dept

    ASE324: Aerospace Materials Laboratory Instructor: Rui Huang Dept

    Plastic deformation in polycrystals Slip in each grain is constrained Dislocations pile up at grain boundaries Gross yield-strength is higher than single crystals (Taylor factor) Strength depends on grain size (Hall-Petch). Dislocation pile-up at grain boundaries Slip plane Slip line...
  • . 2. Ata Roudgar, Sudha P. Narasimachary and

    . 2. Ata Roudgar, Sudha P. Narasimachary and

    PEMFC (our group), BUGABOO (SFU), WESTGRID (BC, AB) References Transition from weak to strong binding at Strong fluctuations expected in this region! Top view A. Roudgar, S. Narasimachary and M. Eikerling, J. Phys. Chem. B 110, 20469 (2006).
  • Manufacturing Defects - University of Arkansas

    Manufacturing Defects - University of Arkansas

    1. Particles . Small feature size and thinness of deposited layer of semiconductor devices make them vulnerable to all kinds of contaminations . Particle size must be 10 times smaller than the minimum feature size e.g. 0.30 m feature size...