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LEARN THE DOUBLES

Look at the doubles on the multiplication matrix.
The answers form stairs descending from 1 to 100, don't they?

x	1	2	3	4	5	6	7	8	9	10
1	1	2	3	4	5	6	7	8	9	10
2	2	4	6	8	10	12	14	16	18	20
3	3	6	9	12	15	18	21	24	27	30
4	4	8	12	16	20	24	28	32	36	40
5	5	10	15	20	25	30	35	40	45	50
6	6	12	18	24	30	36	42	48	54	60
7	7	14	21	28	35	42	49	56	63	70
8	8	16	24	32	40	48	56	64	72	80
9	9	18	27	36	45	54	63	72	81	90
10	10	20	30	40	50	60	70	80	90	100

Learn the doubles.
Don't be slow.
Pay attention,
Here we go!

1x1= 1	2x2= 4	3x3= 9	4x4= 16	5x5= 25
6x6= 36	7x7= 49	8x8= 64	9x9= 81	10x10= 100

Say the facts over and over again until you know them by heart.




Printable lesson for the Doubles

1	2	3	4
Ones Finger Power	Count by Twos Twos Finger Power Twos worksheet	Count by Threes Threes Finger Power Threes worksheet	Count by Fours Fours Finger Power Fours worksheet

5	2x2 etc.	5	6
Count by Fives Fives Finger Power Fives worksheet	Do-able Doubles Doubles worksheet	Fabulous Fives	Super Sixes Sixes Finger Power

9	10	7 & 8	0
No-Nonsense Nines Nines Finger Power Nines worksheet	Add Zero (Tens) Tens worksheet	?= 7x8 Sevens Finger Power Eights Finger Power	Empty Nests (Zeros)

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