Number Bonds to 20 19 + 1 = 20 18 + 2 = 20 17 + 3 = 20 16 + 4 = 20 15 + 5 = 20 14 + 6 = 20 13 + 7 =...
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Number Bonds to 20 19 + 1 = 20 18 + 2 = 20 17 + 3 = 20 16 + 4 = 20 15 + 5 = 20 14 + 6 = 20 13 + 7 = 20 12 + 8 = 20 11 + 9 = 20 10 + 10 = 20 9 + 11 = 20 8 + 12 = 20 7 + 13 = 20 6 + 14 = 20 5 + 15 = 20 4 + 16 = 20 3 + 17 = 20 2 + 18 = 20 1 + 19 = 20 0 + 20 = 20
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Transcript of Number Bonds to 20 19 + 1 = 20 18 + 2 = 20 17 + 3 = 20 16 + 4 = 20 15 + 5 = 20 14 + 6 = 20 13 + 7 =...
Number Bonds to 20
19 + 1 = 2018 + 2 = 2017 + 3 = 2016 + 4 = 2015 + 5 = 2014 + 6 = 2013 + 7 = 2012 + 8 = 2011 + 9 = 2010 + 10 = 209 + 11 = 208 + 12 = 207 + 13 = 206 + 14 = 205 + 15 = 204 + 16 = 203 + 17 = 202 + 18 = 201 + 19 = 200 + 20 = 20
Number Bonds for 20
7
813
12
910
16
15
5
11
4
10
Pair the numbers to make 20
Number Bonds for 20
0
720
13
26
17
19
1
18
3
14
Pair the numbers to make 20
Number Bonds for 20
85
1215
3 616
9
11
17
4
14
Pair the numbers to make 20
Number Bonds for 20
1. 18 + ? = 20
Find the missing number
2. 13 + ? = 203. 16 + ? = 204. 10 + ? = 205. 14 + ? = 20
6. 5 + ? = 207. 1 + ? = 208. 3 + ? = 209. 0 + ? = 2010. 9 + ? = 20
2
7
4
10
6
15
19
17
20
11
1. 20 - 15 = ?
Now try these
2. 20 - 2 = ?
3. 20 - 17 = ?4. 20 - 12 = ?5. 20 - 13 = ?
6. 20 - 3 = ?7. 20 - 4 = ?8. 20 - 6 = ?9. 20 - 11 = ?10. 20 - 7 = ?
5
18
3
8
7
17
16
14
9
13
Number Bonds for 20
1. ? + 7 = 20
And finally these
2. 20 - 16 = ?3. 18 + ? = 204. 20 - ? = 8
5. ? + 4 = 20
6. 20 - 5 = ?7. 3 + ? = 208. 20 - 8 = ?9. 9 + ? = 2010. 20 - 4 = ?
13
4
2
12
16
15
17
121
1 16
Number Bonds for 20
Worksheet (Print)
1. 18 + = 202. 13 + = 203. 16 + = 204. 10 + = 205. 14 + = 20
6. 5 + = 207. 1 + = 208. 3 + = 209. 0 + = 2010. 9 + = 20
1. 20 - 15 =
2. 20 - 2 =
3. 20 - 17 =
4. 20 - 12 =
5. 20 - 13 =
6. 20 - 3 =
7. 20 - 4 =
8. 20 - 6 =
9. 20 - 11 =
10. 20 - 7 =
1. + 7 = 202. 20 - 16 = ?3. 18 + = 204. 20 - = 8
5. + 4 = 20
6. 20 - 5 =
7. 3 + = 208. 20 - 8 =
9. 9 + = 2010. 20 - 4 =
1. 18 + = 202. 13 + = 203. 16 + = 204. 10 + = 205. 14 + = 20
6. 5 + = 207. 1 + = 208. 3 + = 209. 0 + = 2010. 9 + = 20
1. 20 - 15 =
2. 20 - 2 =
3. 20 - 17 =
4. 20 - 12 =
5. 20 - 13 =
6. 20 - 3 =
7. 20 - 4 =
8. 20 - 6 =
9. 20 - 11 =
10. 20 - 7 =
1. + 7 = 202. 20 - 16 = ?3. 18 + = 204. 20 - = 8
5. + 4 = 20
6. 20 - 5 =
7. 3 + = 208. 20 - 8 =
9. 9 + = 2010. 20 - 4 =
Worksheet
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