Some math problems can be solved using math "tools".


 To identify odd and even numbers . . .

. . . a multiplication chart
allows you to see them easily.

The red numbers are all multiples of 2
and therefore are
even numbers.

The blue numbers are odd.

 

1

2

3

4

5

6

7

8

9

10

11

12

1

1

2

3

4

5

6

7

8

9

10

11

12

2

2

4

6

8

10

12

14

16

18

20

22

24

3

3

6

9

12

15

18

21

24

27

30

33

36

4

4

8

12

16

20

24

28

32

36

40

44

48

5

5

10

15

20

25

30

35

40

45

50

55

60

6

6

12

18

24

30

36

42

48

54

60

66

72

7

7

14

21

28

35

42

49

56

63

70

77

84

8

8

16

24

32

40

48

56

64

72

80

88

96

9

9

18

27

36

45

54

63

72

81

90

99

108

10

10

20

30

40

50

60

70

80

90

100

110

120

11

11

22

33

44

55

66

77

88

99

110

121

132

12

12

24

36

48

60

72

84

96

108

120

132

144

 

A number line can be used to help you skip count.

 

A number line can be used to help you add or subtract numbers.

 

 Pattern blocks can be used to help you understand and see figures with symmetry.

 

 Remember:

Look for tools to help you solve math problems.

Click on the pattern blocks for practice.

 
Topic Index | Grade 3 Math | Elementary Test Prep | StudyZone

Created by Pat Delia
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