Circle 3 numbers which add to make …Circle 3 numbers which add to make …

(1)

Circle 3 numbers which add to make … Circle 3 numbers which add to make … up to 200

90 50 180 75

100 50 30 20 10 60 10 50 30 20 10 40 100 90 30 30 60 50 25 50 25 25 25 40

100 40 140 150

90 60 10 30 5 5 15 50 15 5 10 30 80 70 60 50 40 30 50 50 20 70 50 60

70 20 160 110

10 20 30 40 50 60 5 10 15 20 5 30 40 80 40 40 20 20 10 30 50 70 90 20

80 30 120 200

10 20 30 40 50 60 10 15 5 20 10 25 20 40 60 80 100 20 90 80 60 20 40 30 Circle 3 numbers which add to make … Circle 3 numbers which add to make … ^{up to 250}

85 55 180 120

100 55 30 20 10 60 10 50 25 20 15 30 90 45 120 45 30 30 30 40 50 40 40 40

95 45 140 250

90 50 10 35 5 5 15 50 15 5 15 35 80 70 60 50 40 20 150 50 100 70 50 80

75 25 130 150

10 25 30 40 50 60 5 10 15 5 25 15 10 80 20 40 50 60 10 30 50 70 90 20

85 35 240 220

10 20 30 45 55 60 10 15 5 20 10 25 120 40 60 40 60 80 90 80 60 50 120 10 Circle 2 numbers which have a difference of.. up to 30 Circle 2 numbers which have a difference of.. up to 50

10 5 10 8

5 10 27 20 15 37 18 10 13 24 30 29 15 37 33 47 36 27 49 44 50 26 36 18

2 20 5 25

20 7 18 3 16 12 15 5 27 24 49 7 27 50 14 32 25 9 50 15 5 30 17 40

3 8 2 12

8 26 4 23 30 20 2 8 45 16 5 24 47 35 50 10 37 49 20 40 12 30 24 32

6 4 20 30

7 26 1 14 20 29 15 26 21 22 7 30 17 20 28 37 47 8 5 42 10 20 12 40 Circle 2 numbers which have a difference of.. ^{up to 100} Circle 2 numbers which have a difference of.. ^{up to 150}

50 30 100 90

90 10 40 45 10 30 80 10 50 20 90 60 130 20 30 50 120 150 120 10 110 30 90 200

5 10 25 80

80 75 65 50 60 30 50 100 20 90 50 40 80 50 65 40 25 30 50 100 20 95 15 40

40 45 35 70

80 100 50 10 60 40 90 30 45 10 75 20 30 35 50 10 65 70 90 100 5 30 75 20

60 20 15 75

120 20 60 40 60 80 90 80 60 20 40 100 30 20 60 15 60 75 95 80 25 20 5 100

up to 100, 5's & 10s

South African Numeracy Chair Project at Rhodes University

Adapted from: http://www.active-maths.co.uk/worksheets/2mental1/index.html#5

(2)

Circle 3 numbers which add to make … Circle 3 numbers which add to make … up to 200

90 50 180 75

100 50 30 20 10 60 10 50 30 20 10 40 100 90 30 30 60 50 25 50 25 25 25 40

100 40 140 150

90 60 10 30 5 5 15 50 15 5 10 30 80 70 60 50 40 30 50 50 20 70 50 60

70 20 160 110

10 20 30 40 50 60 5 10 15 20 5 30 40 80 40 40 20 20 10 30 50 70 90 20

80 30 120 200

10 20 30 40 50 60 10 15 5 20 10 25 20 40 60 80 100 20 90 80 60 20 40 30 Circle 3 numbers which add to make … Circle 3 numbers which add to make … up to 250

85 55 180 120

100 55 30 20 10 60 10 50 25 20 15 30 90 45 120 45 30 30 30 40 50 40 40 40

95 45 140 250

90 50 10 35 5 5 15 50 15 5 15 35 80 70 60 50 40 20 150 50 100 70 50 80

75 25 130 150

10 25 30 40 50 60 5 10 15 5 25 15 10 80 20 40 50 60 10 30 50 70 90 20

85 35 240 220

10 20 30 45 55 60 10 15 5 20 10 25 120 40 60 40 60 80 90 80 60 50 120 10 Circle 2 numbers which have a difference of.. ^{up to 30} Circle 2 numbers which have a difference of.. ^{up to 50}

10 5 10 8

5 10 27 20 15 37 18 10 13 24 30 29 15 37 33 47 36 27 49 44 50 26 36 18

2 20 5 25

20 7 18 3 16 12 15 5 27 24 49 7 27 50 14 32 25 9 50 15 5 30 17 40

3 8 2 12

8 26 4 23 30 20 2 8 45 16 5 24 47 35 50 10 37 49 20 40 12 30 24 32

6 4 20 30

7 26 1 14 20 29 15 26 21 22 7 30 17 20 28 37 47 8 5 42 10 20 12 40 Circle 2 numbers which have a difference of.. up to 100 Circle 2 numbers which have a difference of.. up to 150

50 30 100 90

90 10 40 45 10 30 80 10 50 20 90 60 130 20 30 50 120 150 120 10 110 30 90 200

5 10 25 80

80 75 65 50 60 30 50 100 20 90 50 40 80 50 65 40 25 30 50 100 20 95 15 40

40 45 35 70

80 100 50 10 60 40 90 30 45 10 75 20 30 35 50 10 65 70 90 100 5 30 75 20

60 20 15 75

120 20 60 40 60 80 90 80 60 20 40 100 30 20 60 15 60 75 95 80 25 20 5 100 ANSWERS

You may find more examples but these are the basic answers

up to 100, 5's & 10s