3B · Develop strategies
Double
Next useful table · The 4s
Double, then double again
To multiply by 4, multiply by 2 — then double once more.
4
×
5
=
__
Think of ×4 as doubling twice.
2
×
2
×
5
=
__
First double 5 to get 10. Then double 10 to get 20.
2
×
10
=
20
The same idea · The 6s
Double the 3s
If you know a 3-times-table fact, double it to get the matching 6-times-table fact.
6
×
7
=
__
Think of ×6 as doubling multiplication by 3.
2
×
3
×
7
=
__
First work out 3 × 7 = 21. Then double 21 to get 42.
2
×
21
=
42
Have a try
Just the 4s and 6s
4 × 7
This counts towards your Times Tables Recall progress.
📝 Learning stage: use paper, a whiteboard or a chalkboard if it helps. Work things out. This is practice for understanding — not a test of instant recall.
Use the shortcut if you need it.
For 4s: double, then double again. For 6s: find the 3s fact, then double it.
For 4s: double, then double again. For 6s: find the 3s fact, then double it.
Remember
CHECKING IS NOT CHEATING.
If you forget a fact, use the T button and check it.
In maths, just like in real life, checking a fact is a sensible thing to do — not a failure.
You can stop here.
Repeat this strategy as often as you need before moving on.
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