MTS Math 6.4 Addition With The Colored Bead Bars

MATH DEVELOPMENT ALBUM

1. Box with compartments for two sets of colored bead bars.

2. Two sets of colored bead bars (up to 5 for first presentation).

3. One set of plus and equal signs.

4. Counter (optional).

5. Felt mat or pad.

6. Later: Loose numerals, paper with equations, problem work sheets, and blank squared paper for creating and writing new equations.

1. Invite the child who has worked with addition with red rods, the strip board or who has sufficient knowledge of numbers to do this exercise.

2. Take materials to a table.

1. Arrange both sets of bead bars into a stair, either in their boxes or on their mat.

2. Present or test child's knowledge of the plus and equal signs.

3. Select a bead bar (such as 1) from one of the stairs and place it on the mat.

4. Count it with the child.

5. Select another bead bar together and count them (such as a 1 and a 2).

6. Select the three bar from the stair and place it above the two bars.

7. Show that the combination of the 1 and 2 is equal to the three bar.

8. Say, "one plus two equals three."

9. Now construct the equation using the plus and equal signs.

10. Continue with other equations.

11. Later: Introduce written equations as outlined in Addition with the Table-Top Numerical Rods.

1. The child's knowledge of numbers.

2. Verification by the teacher.

3. Addition Control Chart.

1. Learning that addition can be done with many kinds of materials.

2. Seeing the relationship to other materials.

3. Realizing that one can add mentally without using the materials.

Same as other materials for addition.

4 plus.

1. Other materials may be substituted for the bead bars, such as shells, buttons and so on.

2. Writing equations, adding the numerals, then verifying them.