# Making 10 with Cuisenaire Rods (3 Pages)

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 If you have Cuisenaire Rods then use them with the steps below. If you do not have any, color the boxes based on the rods that would be used. (The first one is done as an example) Look at the longer of the two rods on the top. Think what needs to be added to it to match an orange (10) rod. Split the shorter rod into two so that one of the new rods matches an orange (10) rod when added to the longer rod. Use the "number sandwich" if you need help. Use the orange (10) rod and what is left over to help complete the number sentence. 1 2 3 4 5 6 7 8 9 10

9
5
9
1
4
10
4

9 + 5 = 14

8
4
8
2
2
10
2

8 + 4 = 12

7
5
7
3
2
10
2

7 + 5 = 12

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 Follow the instructions on Page 1 to complete the Cuisenaire Rod activities below. 1 2 3 4 5 6 7 8 9 10
9
3
9
1
2
10
2

9 + 3 = 12

7
6
7
3
3
10
3

7 + 6 = 13

8
7
8
2
5
10
5

8 + 7 = 15

6
5
6
4
1
10
1

6 + 5 = 11

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 Follow the instructions on Page 1 to complete the Cuisenaire Rod activities below. 1 2 3 4 5 6 7 8 9 10
8
3
8
2
1
10
1

8 + 3 = 11

9
6
9
1
5
10
5

9 + 6 = 15

7
4
7
3
1
10
1

7 + 4 = 11

8
6
8
2
4
10
4

8 + 6 = 4

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### Related Resources

The various resources listed below are aligned to the same standard, (2OA02) taken from the CCSM (Common Core Standards For Mathematics) as the Addition and subtraction Worksheet shown above.

Fluently add and subtract within 20 using mental strategies.2 By end of Grade 2, know from memory all sums of two one-digit numbers.

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