DOUBLES/NEAR DOUBLES

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Category 1

Doubles up to twenty.

5 + 55 + 65 + 75 + 8

6 + 65 + 66 + 76 + 8

7 + 76 + 77 + 87 + 9

8 + 88 + 78 + 98 + 6

9 + 98 + 98 + 88 + 7

15 + 1515 + 1617 + 1515 + 18

16 + 1617 + 1717 + 1816 + 17

18 + 1818 + 1918 + 1719 + 19

20 + 2019 + 1918 + 1819 + 18

Category 2

Doubles with two-digit numbers.

20 + 2019 + 1919 + 1819 + 17

25 + 2524 + 2525 + 2626 + 27

25 + 2525 + 2824 + 2724 + 28

30 + 3029 + 2929 + 2828 + 27

35 + 3535 + 3634 + 3536 + 37

40 + 4039 + 3939 + 3838 + 37

45 + 4545 + 4546 + 4645 + 47

50 + 5049 + 4948 + 4949 + 52

100 + 10099 + 9999 + 9899 + 97

Category 2

Doubles with two- and three- digit numbers.

100 + 10099 + 9998 + 9897 + 99

125 + 125149 + 149148 + 149148 + 148

150 + 150149 + 149148 + 149148 + 148

200 + 200199 + 199198 + 199198 + 198

250 + 250249 + 249249 + 248248 + 248

300 + 300299 + 299298 + 299298 + 297

400 + 400399 + 399398 + 399398 + 398

500 + 500499 + 499498 + 499498 + 497

1,000 + 1,000

999 + 999998 + 999998 + 998