USING THE PEAR DECK FOR POWERPOINT ONLINE ADDIN

USING THE PEAR DECK FOR POWERPOINT ONLINE ADD-IN Make your lessons interactive with the power of Pear Deck! Open the Pear Deck Add-in from the toolbar Add interactive slides from our library or create your own custom questions Click the 'Present with Pear Deck' button to start your interactive lesson

What do you notice?

What Mathematical questions could we ask?

How many cubic centimetres of wood are needed to build this solid toy house? Guess too high: _____

How many cubic centimetres of wood are needed to build this solid toy house? Guess too low: _____

How many cubic centimetres of wood are needed to build this solid toy house? Best Guess: _____

How many cubic centimetres of wood are needed to build this solid toy house? SOLVE.

VOLUME: 286. 6 cm^3

The toy company designed a box that fits 20 houses. How much cardboard will the box use? Too low:

The toy company designed a box that fits 20 houses. How much cardboard will the box use? Too high:

The toy company designed a box that fits 20 houses. How much cardboard will the box use? Best guess:

The toy company designed a box that fits 20 houses. The dimensions of the box are 50 cm, 16 cm & 10 cm. How much cardboard will the box use? SOLVE

Surface area: 2 920 cm^2

Draw a net of the toy house & build a model of it out of grid paper.

Design a different box that would also hold 20 houses, but would use less than 2 920 cm^2 of cardboard.

Explain your new design & how you proved it uses less cardboard