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Similaire à maths easy (20)
maths easy
- 1. … what could be less sexy than memorizing 4th grade multiplication facts?
- 15. Is this always true? always one more than Is this number times itself
- 16. Is this always true? always one more than Is this number times itself the product of these two numbers?
- 19. One way to look at it 5 4 Removing a column leaves
- 20. One way to look at it 6 4 Replacing as a row leaves with one left over.
- 21. One way to look at it 6 4 Removing the leftover leaves showing that it is one less than 5 5 .
- 23. A second look Replacing as a row leaves it narrower by 1 and taller by 1 (with 1 left over).
Notes de l'éditeur
- Back to the facts and skills.