Includes:
- - 8 high quality cardboard rewritable boards (20,5 x 16,6 cm)
- - 20 high quality cardboard circular cards (2,2 cm)
- - 9 high quality cardboard circular cards (4 cm)
- - 8 felt-tip pens
Learn to add and subtract and carry over
30677
Learn to add and subtract and carry over using a simple method to understand the step between tens and units. The 8 boards are rewritable so you can practise as many times as you like, and the base includes a number line to make the calculations easier. It contains two systems to subtract and carry over by exchanging and equal addition. It includes a table to work on doubling numbers from 1 to 10 and decomposing the number 10. Now, adding and subtracting is easy and fun!
What do I learn?
- Attention and concentration
- Logical reasoning
- Mental agility
- Number and calculation
- Number bonds to 10
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