Adding Up in Chunks

Category 1

16 + 1016 + 2016 + 4016 + 42

26 + 1026 + 3026 + 5026 + 53

24 + 1024 + 3024 + 5024 + 55

35 + 1035 + 2035 + 4035 + 42

32 + 1032 + 3032 + 5032 + 55

44 + 1044 + 2044 + 3044 + 35

46 + 2046 + 3046 + 5046 + 53

57 + 1057 + 2057 + 3057 + 33

53 + 2053 + 2553 + 4053 + 42

Category 2

Adding multiples of tens while keeping on number whole and then breaking apart the ones into friendly combinations.Example: 28 + 24 could be “chunked” as 28 + 20 = 48; the 4 could be broken into 2 + 2 so that 48 + 2 = 50; 50 + 2 = 52

18 + 1018 + 1318 + 2018 + 23

16 + 2016 + 2516 + 3016 + 36

17 + 1017 + 1417 + 3017 + 35

29 + 1029 + 1529 + 2029 + 24

38 + 2038 + 2638 + 3038 + 33

45 + 3045 + 3845 + 4045 + 46

57 + 1057 + 1457 + 3057 + 36

65 + 3065 + 3665 + 5065 + 57

73 + 3073 + 3873 + 5073 + 58

Category 3

Adding multiples of tens and one hundred while keeping one number whole.

56 + 4056 + 50156 + 40156 + 43

256 + 100256 + 300256 + 340256 + 342

117 + 200117 + 400117 + 420117 + 426

37 + 4037 + 46237 + 40237 + 48

25 + 6025 + 66125 + 60125 + 68

47 + 8047 + 84247 + 70247 + 74

345 + 200345 + 400345 + 450345 + 457

134 + 100134 + 300134 + 380134 + 387

218 + 200218 + 400218 + 450218 + 456