Rekenrek Expanded Form Double Digit Addition Under 30

Labeling

Practice Using and SEEING Number Groups

Solve this double-digit addition problem using your Rekenrek Math Rack

NOTE: For the convenience and application of this program, you will use the input [+10] where you see the operation row.

Drag labels to their correct position on the image

28

+10

7

6

9

3

8

10

20

5

Labeling

Practice Using and SEEING Number Groups

Solve this double-digit addition problem using your Rekenrek Math Rack

NOTE: For the convenience and application of this program, you will use the input [+10] where you see the operation row.

Drag labels to their correct position on the image

9

6

2

10

+10

8

7

29

3

20

Labeling

Practice Using and SEEING Number Groups

Solve this double-digit addition problem using your Rekenrek Math Rack

NOTE: For the convenience and application of this program, you will use the input [+10] where you see the operation row.

Drag labels to their correct position on the image

20

2

10

8

28

6

9

+10

3

Labeling

Practice Using and SEEING Number Groups

Solve this double-digit addition problem using your Rekenrek Math Rack

NOTE: For the convenience and application of this program, you will use the input [+10] where you see the operation row.

Drag labels to their correct position on the image

29

20

6

2

8

10

+10

9

3

Labeling

Practice Using and SEEING Number Groups

Solve this double-digit addition problem using your Rekenrek Math Rack

NOTE: For the convenience and application of this program, you will use the input [+10] where you see the operation row.

Drag labels to their correct position on the image

+10

27

8

7

10

1

6

9

20

Labeling

Practice Using and SEEING Number Groups

Solve this double-digit addition problem using your Rekenrek Math Rack

NOTE: For the convenience and application of this program, you will use the input [+10] where you see the operation row.

Drag labels to their correct position on the image

24

10

8

3

+10

20

9

1

4

Labeling

Practice Using and SEEING Number Groups

Solve this double-digit addition problem using your Rekenrek Math Rack

NOTE: For the convenience and application of this program, you will use the input [+10] where you see the operation row.

Drag labels to their correct position on the image

10

+10

3

4

8

1

20

9

29

Labeling

Practice Using and SEEING Number Groups

Solve this double-digit addition problem using your Rekenrek Math Rack

NOTE: For the convenience and application of this program, you will use the input [+10] where you see the operation row.

Drag labels to their correct position on the image

8

3

+10

10

20

25

7

5

2

Labeling

Practice Using and SEEING Number Groups

Solve this double-digit addition problem using your Rekenrek Math Rack

NOTE: For the convenience and application of this program, you will use the input [+10] where you see the operation row.

Drag labels to their correct position on the image

3

7

8

+10

20

10

4

27

9

Labeling

Practice Using and SEEING Number Groups

Solve this double-digit addition problem using your Rekenrek Math Rack

NOTE: For the convenience and application of this program, you will use the input [+10] where you see the operation row.

Drag labels to their correct position on the image

5

8

9

10

20

4

25

1

+10

Labeling

Practice Using and SEEING Number Groups

Solve this double-digit addition problem using your Rekenrek Math Rack

NOTE: For the convenience and application of this program, you will use the input [+10] where you see the operation row.

Drag labels to their correct position on the image

+10

8

2

20

10

6

4

26

9

Labeling

Practice Using and SEEING Number Groups

Solve this double-digit addition problem using your Rekenrek Math Rack

NOTE: For the convenience and application of this program, you will use the input [+10] where you see the operation row.

Drag labels to their correct position on the image

7

+10

27

10

5

2

9

20

8

Labeling

Practice Using and SEEING Number Groups

Solve this double-digit addition problem using your Rekenrek Math Rack

NOTE: For the convenience and application of this program, you will use the input [+10] where you see the operation row.

Drag labels to their correct position on the image

5

10

6

9

8

1

+10

20

26

Labeling

Practice Using and SEEING Number Groups

Solve this double-digit addition problem using your Rekenrek Math Rack

NOTE: For the convenience and application of this program, you will use the input [+10] where you see the operation row.

Drag labels to their correct position on the image

8

9

23

2

1

+10

20

3

10