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A
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1
2
3
Know the basic addition and subtraction facts
4
5
Add another number to the following to make 20.
6
e.g)
1
4
=
6
7
8
1)
1
2
=
9
2)
9
=
10
3)
1
2
=
11
4)
4
=
12
5)
6
=
13
6)
1
5
=
14
7)
9
=
15
16
Quotes are not sourced from all markets and may be delayed up to 20 minutes. Information is provided 'as is' and solely for informational purposes, not for trading purposes or advice.Disclaimer
Make 20
20 take aways
Add or subtract to the next tens
Word Problem: Rounding to nearest tens
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