Worksheets that work amazing math challenges.pdf - edHelper

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This puzzle has a large number in the middle, which is the sum of the four numbers that surround it.

Sample:19

is the sum7 2

6

4

18is the sum

7

4

5

18is the sum

4

1

6

Example:7 + 2 + 6 + 4 = 19

Example:7 + 4 + 1 + 6 = 18

Fill in the missing numbers. How? The sum of the four surrounding numbers is in the center of each square.Exactly one of the four numbers has to be one of these numbers: 1, 2, or 3.The other three numbers have to all be DIFFERENT and must be from these: 4, 5, 6, or 7.

181 6

7

4

17odd

5

4

either 1 or 2

17odd

1

7

less than 7

193

less than 6

odd

20less than 6

7

either 1 or 2

even

17 5

less than 7

either 7 or 1

184

odd

less than 6

17greater than 1

4

even

less than 6

either 7 or 1

even

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Fill in the missing numbers. How? The sum of the four surrounding numbers is in the center of each square.Exactly one of the four numbers has to be one of these numbers: 1, 2, or 3.The other three numbers have to all be DIFFERENT and must be from these: 4, 5, 6, or 7.

181 6

7

4

20even

4

7

either 2 or 3

19even

7

5

3

172

greater than 4

21odd odd

either 2 or 3

21odd odd

either 7 or 6

181

greater than 4

even

21odd

either 6 or 4

19odd

7

either 7 or 6

odd

19greater than 1 either 6 or 3

even

greater than 4

21either 6 or 3

odd

odd

18greater than 3

odd

even

18either 6 or 3 even

greater than 4

19even

odd

odd

odd odd

even

odd

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Sample:36is the sum

-6 18

17

7

40is the sum

-6

11

17

37is the sum

18

17

8

Example:18 + 17 + 7 - 6 = 36

Example:18 + 17 + 8 - 6 = 37

Fill in the missing numbers. How? The sum of the four surrounding numbers is in the center of each square.Exactly one of the four numbers has to be one of these numbers: -6, -2, or -7.The other three numbers have to all be DIFFERENT and must be from these: 8, 3, 17, 18, 7, or 11.

167 -2

8

3

44 17

greater than 7

11

even

24either 3 or 17

-7

25-6

less than 18

either 11 or 17

36less than 18

3

even

greater than -6

19even

either 11 or 7

16greater than -7

either 11 or 17

less than 17

26less than 11 less than 18

greater than -6

3

less than 18 even

greater than 3

3

3rd Grade edHelper.com Worksheets You'd Want to Print



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Fill in the missing numbers. How? The sum of the four surrounding numbers is in the center of each square.Exactly one of the four numbers has to be one of these numbers: -7, -2, or -1.The other three numbers have to all be DIFFERENT and must be from these: 11, 8, 17, 12, 13, or 14.

3411 -2

8

17

36less than 17

14

11

odd

35less than 17

12

-2

11

35odd

11

less than 17

40odd

either -2 or -1

38odd

-2

even

25-7

less than 17

greater than 11

35odd

either -2 or -1

less than 17

38odd

11

even

less than -1

32even

greater than 11

even

31either -7 or -2

less than 17

greater than 12

41less than -1

38odd

even

less than -1

30odd

greater than 12

either -2 or -1 even

either 14 or 13

either 11 or 13

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Sample:47.8is the sum

27 3.2

8.2

9.4

15.8is the sum

0.2

11

1.4

36.6is the sum

2.2

8.2

26

Example:27 + 3.2 + 8.2 + 9.4 = 47.8

Example:0.2 + 2.2 + 8.2 + 26 = 36.6

Fill in the missing numbers. How? The sum of the four surrounding numbers is in the center of each square.Exactly one of the four numbers has to be one of these numbers: 27, 26, or 11.The other three numbers have to all be DIFFERENT and must be from these: 9.4, 0.2, 3.2, 2.2, 1.4, 8.2, or 6.8.

42.41.4 6.8

8.2

26

42.4 8.2

even

26

odd

35.4 11

6.8

less than 11

30.8odd

2.2

greater than 0.2

39.62.2

less than 11

35.8less than 11

odd

even either 6.8 or 3.2

less than 11

even

38.8either 6.8 or 3.2 greater than 2.2

greater than 0.2

odd

15.8even odd

less than 11

11

37odd either 26 or 0.2 odd

even

greater than 3.2

odd either 9.4 or 8.2

odd

26

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Fill in the missing numbers. How? The sum of the four surrounding numbers is in the center of each square.Exactly one of the four numbers has to be one of these numbers: 28, 22, or 13.The other three numbers have to all be DIFFERENT and must be from these: 8.8, 0.6, 6.6, 2.6, 7.6, or 3.4.

30.67.6 6.6

3.4

13

32.6odd

3.4

0.6

22

34.8odd greater than 8.8

8.8

34.6greater than 8.8

6.6

3.4

2.6

30.6either 3.4 or 6.6 less than 13

even

45less than 13 even

even

44even even

either 0.6 or 3.4

28

29.8even

7.6

greater than 3.4


even

even


even

greater than 2.6

40.8either 6.6 or 8.8 even

less than 13

25even even

greater than 3.4

greater than 0.6

27.8odd

even

41.8odd even

greater than 2.6

39.6even less than 8.8

less than 13

less than 8.8

less than 8.8

greater than 0.6

greater than 0.6


either 28 or 13

32.8greater than 2.6 odd

even

odd

less than 8.8

greater than 0.6 odd

greater than 0.6

even




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2.7 8.5

4.6

26.8

45.2is the sum

4.6

29.4

2.7

28.6is the sum

0.8

17.8

5.4

Example:2.7 + 8.5 + 4.6 + 26.8 = 42.6

Example:4.6 + 0.8 + 17.8 + 5.4 = 28.6

Fill in the missing numbers. How? The sum of the four surrounding numbers is in the center of each square.Exactly one of the four numbers has to be one of these numbers: 17.8, 29.4, or 26.8.The other three numbers have to all be DIFFERENT and must be from these: 5.4, 2.7, 0.8, 8.5, 3.4, 4.6, or 9.3.

35.72.7 5.4

0.8

26.8

42.8 4.6

less than 29.4

3.4

29.4

39.5

2.7

5.4

44.9even

9.3

39.5less than 26.8 less than 5.4

either 9.3 or 3.4

less than 5.4

greater than 8.5

29.3less than 5.4

even

27.4 0.8

greater than 2.7

greater than 0.8

34.34.6

even

either 9.3 or 3.4

greater than 3.4

49.2even

26.8

greater than 8.5

even

either 8.5 or 29.4

even

either 29.4 or 3.4

either 8.5 or 29.4

greater than 0.8

either 0.8 or 17.8




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Fill in the missing numbers. How? The sum of the four surrounding numbers is in the center of each square.Exactly one of the four numbers has to be one of these numbers: 19.3, 16.7, or 22.2.The other three numbers have to all be DIFFERENT and must be from these: 0.6, 4.8, 6.9, 5.6, 2.1, or 9.6.

44.39.6 22.2

5.6

6.9

even

4.8

greater than 0.6


5.6

even

29less than 16.7

16.7

even

34greater than 0.6 even

either 5.6 or 6.9

26.3even either 2.1 or 0.6

greater than 0.6

32.5either 2.1 or 0.6

9.6

even

33.8 16.7

even


either 5.6 or 6.9

odd

37.9greater than 2.1 even

even


either 22.2 or 5.6

39.3less than 22.2 less than 16.7

even

38.8less than 19.3

odd

greater than 5.6


greater than 5.6

40.8even even

either 5.6 or 22.2

either 9.6 or 16.7


either 19.3 or 22.2

odd

26.3either 9.6 or 16.7

greater than 5.6

33.9even greater than 5.6

greater than 5.6

either 19.3 or 5.6

greater than 5.6

either 9.6 or 16.7

less than 19.3

greater than 9.6 greater than 2.1

odd




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12.6 1.5

6.9

2.9

33.9is the sum

22.6

2.9

6.9

36.2is the sum

1.5

5.2

6.9

Example:12.6 + 1.5 + 6.9 + 2.9 = 23.9

Example:22.6 + 1.5 + 5.2 + 6.9 = 36.2


23.91.5 12.6

6.9

2.9

even

2.9

8.8

either 6.9 or 5.2

31.3even

1.5

even

43.5even

6.9

5.2

either 8.8 or 12.6

31.2greater than 2.9 greater than 2.9

even

44.9greater than 2.9 greater than 4.3

either 6.9 or 5.2

less than 4.3

42.1greater than 4.3 either 1.5 or 5.2

even

39.8either 1.5 or 5.2

6.9

either 8.8 or 12.6

greater than 5.2

33.55.2

even

even

even

27.2even

12.6

less than 4.3

greater than 2.9

less than 12.6

even

less than 12.6 either 22.6 or 1.5

greater than 5.2

greater than 2.9




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43.529.3 7.6

6.3

0.3

26.7even

0.3

12.5

6.3

22.8even

13.6

greater than 3.2

even

either 29.3 or 0.3

2.6

less than 12.5

40.4odd odd

less than 6.3

44.3odd

either 3.2 or 13.6

45odd greater than 3.2

even

odd

33greater than 3.2

13.6

less than 12.5

even


less than 6.3

less than 29.3


either 3.2 or 13.6

either 5.5 or 12.5

46.4even

odd

either 0.3 or 7.6

39.1odd

even

even

30.1less than 29.3

less than 29.3

even

27.5less than 29.3

either 5.5 or 12.5

28.8even

either 0.3 or 7.6

greater than 0.3


even

24.1odd

even

less than 5.5

27odd even

either 2.6 or 3.2

even even

greater than 0.3

even odd

greater than 2.6




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Find 2 equations hidden in each box. Good luck!

6 + 5

11

6 + 612

15

9 + 4

Write 2 equations:

4 + 59

6 + 1

7

5 + 3

136

15

Write 2 equations:

9 - 5

4

9 - 3 67 - 5

2 - 1

Write 2 equations:1st Grade edHelper.com Worksheets You'd Want to Print



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4 - 31

7 - 5

2

43 - 3

Write 2 equations:

2 + 68

1 + 012 + 4

5

4

9 + 6

7 6 + 4

7 + 5

9 + 7

Write 2 equations:

9 + 2

11

5 + 510

126 + 3

165 + 8

9 + 915

4

Write 2 equations:2nd Grade edHelper.com Worksheets You'd Want to Print



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5 - 0

58 - 4 4

4 - 41

Write 2 equations:

6 + 179 + 5

14

3 + 9

104

4 + 2

8

4 + 93

Write 2 equations:

3 x 5

15

0 x 50

63

8 x 228

8 x 8

5 x 78

2 x 772

7

6 x 620

7 x 8

25

10 5

1

Write 2 equations:3rd Grade edHelper.com Worksheets You'd Want to Print



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1522 + 247

1769

8594 + 4449038

2608 + 884

3205

7592 + 959

241 + 6509

3840

9935

5497

9018

Write 2 equations:

1 - 0 1

7 - 52 0

5

9 - 16

Write 2 equations:

2 x 5

10

3 x 9

277

2 x 3 9

2 x 8

49

6 x 8 1

1 x 8

5 x 6

2205 x 7

24

3Write 2 equations:4th Grade edHelper.com Worksheets You'd Want to Print



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5 - 0

57 - 7

0

1

6 - 3

7 - 1

9 - 1Write 2 equations:

9225 + 889318118

6654 + 5723

123772008 + 5175

6981 + 94587430

17088

8730 + 6831

2355 + 1777

3808

1239610918

Write 2 equations:

7 x 1

78 x 2

1645

5 x 2

3 x 6 28

7 x 336

128 x 4

25 7 x 91 x 4

569

Write 2 equations:5th Grade edHelper.com Worksheets You'd Want to Print



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8411 + 7140

15551

1244 + 7632

8876

8862

9134

7461

7263 + 4652

10514

5246

10451

4034

4574

1692 + 2380

4419

133406725

Write 2 equations:

8 - 7

1

9 - 72

73

9

8 - 2

Write 2 equations:

5 x 5 255 x 315

40

4

4 x 96 x 012

49

2

42

5 x 1

5 x 7

63

7

9 x 9 30

Write 2 equations:6th Grade edHelper.com Worksheets You'd Want to Print



Worksheets that work amazing math challenges.pdf - edHelper

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