Benchmark 1 Review

Odd/ Even

100

Is the number 13 odd or even?

odd

200

Which number of the set of numbers are even?

12

19

24

15

21

12, 24

300

Which of the sums are odd?

6+6

7+8

5+5

8+2

7+8

400

Which number set is not an example of an array?

6+6+6+6+6+

8+9+7+5

2+2+2

1+1+1

8+9+7+5

500

Come up with a number that is odd and a number that is even

answers may very 

Addition No Regroup

100

23+15

38

200

What does the equal sign mean?

Both sides of the equal sign are equal to each other/ have the same value

300

Which expression has a sum of 18?

A. 7+11

B. 18+2

C. 12+6

D. 3+15

E. 11+8

A,C,D

400

57+32

89

500

45+23

68

Subtraction No regroup

100

15-7

8

200

67-34

33

300

99-42

57

400

88-20

68

500

55-25

30

Regroup Addition

100

58+24

82

200

29+38

67

300

27+18=?+15

?=30

400

59+16

75

500

49+29=

78

Regroup Subtraction

100

61-28

33

200

49-?=50-27

26

300

Is the equation true? If not what answer would make it true

69-22=45

No it is false. 47 is correct

400

Is this equation true?

90-20=70-10

no

500

88-69

19