Resources

When the children have been introduced to 'rainbow' or make to ten facts, use two normal dice and increase the expected range of strategies to be applied to simple additions and subtractions. Have a Rainbow Facts chart visible in the early stages of this game so that it can be referred to.

Target Strategies

selecting the most appropriate strategy for addition facts

using the full range of meta-language of strategies

Closed Questions

I have thrown a 5 and a 4. How many dots altogether.

I have thrown a total of 8. There is a 3 on one dice. What is on the other?

I have thrown a near double. The total of dots is 7. How many dots are there on each dice?

I have thrown three dice. There is a 3, a 5 and 4. How many dots altogether?

Open Questions

I have a total of 9 dots on my dice. What might each dice show?

I have thrown a near double. What might be on my dice?

I have thrown two dice that are friends of 10. What might be on each dice?

I have thrown three dice. One pair both show the same number of dots.

Altogether there are 9 dots. What might be on each dice?

Flip Questions

I have thrown two dice. The total on the dice is 8. What strategy questions could you ask to guess my dice?

I have thrown two dice. I would use a near double to find the total. What questions would you ask to find my total?

Reflection

How does using strategies help you to work out unknown number facts?

Which strategy do you like the best and why?

Can you use all of the strategies all of the time? Why/not?