+ 46

sum

+ 50

80

+ 46

80

Name
Grade
School

Date
Questions10
Score

example

Addition

34

+ 46

sum

+ 46

sum

Estimated Sum

30

+ 50

80

+ 50

80

Actual Sum

34

+ 46

80

+ 46

80

1

Addition

90

+ 63

sum

+ 63

sum

Estimated Sum

Actual Sum

2

Addition

59

+ 39

sum

+ 39

sum

Estimated Sum

Actual Sum

3

Addition

65

+ 15

sum

+ 15

sum

Estimated Sum

Actual Sum

4

Addition

89

+ 44

sum

+ 44

sum

Estimated Sum

Actual Sum

5

Addition

90

+ 32

sum

+ 32

sum

Estimated Sum

Actual Sum

6

Addition

70

+ 37

sum

+ 37

sum

Estimated Sum

Actual Sum

7

Addition

56

+ 25

sum

+ 25

sum

Estimated Sum

Actual Sum

8

Addition

69

+ 28

sum

+ 28

sum

Estimated Sum

Actual Sum

9

Addition

59

+ 29

sum

+ 29

sum

Estimated Sum

Actual Sum

10

Addition

70

+ 42

sum

+ 42

sum

Estimated Sum

Actual Sum

Answers Key

1

Addition

90

+ 63

sum

+ 63

sum

Estimated Sum

90

+ 60

150

+ 60

150

Actual Sum

90

+ 63

153

+ 63

153

2

Addition

59

+ 39

sum

+ 39

sum

Estimated Sum

60

+ 40

100

+ 40

100

Actual Sum

59

+ 39

98

+ 39

98

3

Addition

65

+ 15

sum

+ 15

sum

Estimated Sum

70

+ 20

90

+ 20

90

Actual Sum

65

+ 15

80

+ 15

80

4

Addition

89

+ 44

sum

+ 44

sum

Estimated Sum

90

+ 40

130

+ 40

130

Actual Sum

89

+ 44

133

+ 44

133

5

Addition

90

+ 32

sum

+ 32

sum

Estimated Sum

90

+ 30

120

+ 30

120

Actual Sum

90

+ 32

122

+ 32

122

6

Addition

70

+ 37

sum

+ 37

sum

Estimated Sum

70

+ 40

110

+ 40

110

Actual Sum

70

+ 37

107

+ 37

107

7

Addition

56

+ 25

sum

+ 25

sum

Estimated Sum

60

+ 30

90

+ 30

90

Actual Sum

56

+ 25

81

+ 25

81

8

Addition

69

+ 28

sum

+ 28

sum

Estimated Sum

70

+ 30

100

+ 30

100

Actual Sum

69

+ 28

97

+ 28

97

9

Addition

59

+ 29

sum

+ 29

sum

Estimated Sum

60

+ 30

90

+ 30

90

Actual Sum

59

+ 29

88

+ 29

88

10

Addition

70

+ 42

sum

+ 42

sum

Estimated Sum

70

+ 40

110

+ 40

110

Actual Sum

70

+ 42

112

+ 42

112

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kuku

Hey! I'm kuku

I can answer you simple math queries!

Hey! I'm kuku

I can answer you simple math queries!

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