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Place Value Addition. (Column Addition). 2 6 8. + 4 8 3. 7 5 1. Place Value Addition. Draw lines to separate each place. 6. 14. 11. Add the ones (8 + 3). 6 15 1. Add the tens (6 tens +8 tens). Add the hundreds (2 hundreds + 4 hundreds). Regroup to make a standard number
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Place Value Addition (Column Addition)
2 6 8 + 4 8 3 7 51 Place Value Addition Draw lines to separate each place 6 14 11 Add the ones (8 + 3) 6151 Add the tens (6 tens +8 tens) Add the hundreds (2 hundreds + 4 hundreds) Regroup to make a standard number (11 is 1 ten and 1 one, so add the 1 ten to 14 tens to get 15 tens) (15 tens is 1 hundred and 5 tens, so add the 1 hundred to 6 to get 7 hundred)
7 8 5 + 6 4 1 1,426 Let's try another one Draw lines to separate each place 13 12 6 Add the ones (5 + 1) Add the tens (8 tens +4 tens) Add the hundreds (7 hundreds + 6 hundreds) Regroup to make a standard number (6 ones -no regrouping needed, 12 is 1 hundred and 2 tens, 13 becomes 14 hundreds)
3 2 9 + 9 8 9 Do this one on your own Let's see if you're right. 121018 12118 1318 1318 Well Done!
Place Value Addition This method helps students think about the size and place of each number. It also reduces errors that are sometimes made with the “carries” when using the US traditional method.