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Using a Chip Abacus to Show Addition

Using a Chip Abacus to Show Addition. Addition using a Chip Abacus. Lay out chips to represent each of the numbers in 2 separate groups. . Hundreds . Tens. Ones. 152 + 35. Addition using a Chip Abacus. Now slide all the chips together. Hundreds . Tens. Ones. 152 + 35.

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Using a Chip Abacus to Show Addition

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  1. Using a Chip Abacus to Show Addition

  2. Addition using a Chip Abacus Lay out chips to represent each of the numbers in 2 separate groups. Hundreds Tens Ones 152 + 35

  3. Addition using a Chip Abacus Now slide all the chips together. Hundreds Tens Ones 152 + 35

  4. Addition using a Chip Abacus 152 + 35 187 Hundreds Tens Ones Just read the answer on the chip abacus. 1 chip in the Hundreds column 8 chips in the Tens column 7 chips in the Ones column

  5. Addition using a Chip Abacus Lay out chips to represent each of the numbers in 2 separate groups. Hundreds Tens Ones 257 +168

  6. Addition using a Chip Abacus 257 +168 Hundreds Tens Ones Now slide all the chips together. Notice that there are more than 10 chips in the ones column. You will have to make a exchange of 10 chips in the Ones column for one chip in the Tens column.

  7. Addition using a Chip Abacus 257 +168 Hundreds Tens Ones

  8. Addition using a Chip Abacus 257 +168 Hundreds Tens Ones Now slide all the chips together. Notice that there are more than 10 chips in the Tens column. You will have to make a exchange of 10 chips in the Tens column for one chip in the Hundreds column.

  9. Addition using a Chip Abacus 257 +168 Hundreds Tens Ones Get ready to read your answer.

  10. Addition using a Chip Abacus 257 +168 425 Hundreds Tens Ones Just read the answer on the chip abacus. 4 chip in the Hundreds column 2 chips in the Tens column 5 chips in the Ones column

  11. Addition using a Chip Abacus Now you try these problems: 159 + 28 = 23 + 145 = 258 + 349 = 25 + 43 = 149 + 257 = 156 + 244 =

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