Recall the facts up to 10, and the teen facts.
Recall addition and subtraction facts to 20.
Number Framework Stages 4 and 5
Show the students a flash card.
For example, the card shows 3, 9, and 6. Practice all 12 combinations of every basic fact. Ask problems like: 6 + 3, 9 – 6, 9 – 3, 6 + ? = 9.
The complete list of 12 questions needed for each card is like this:
3 + 6 = ? ? + 6 = 9 3 + ? = 9
6 + 3 = ? ? + 3 = 9 6 + ? = 9
9 – 6 = ? ? – 6 = 3 9 – ? = 3
9 – 3 = ? ? – 3 = 6 9 – ? = 6