Adding/Subtracting within 20
Odd/Even
Arrays
Adding within 100
Random
100
5+12=
17
100
Is 5 odd or even?
odd
100
Molly has a cookie sheet with 4 rows.
Each row has 4 cookies.
Which equation shows how many cookies Molly has in all?
- A. 4 + 4 + 4 = 12
- B. 4 + 4 + 4 + 4 = 16
- C. 4 + 4 = 8
- D. 4
B
100
36+18=
54
100
65+14=
79
200
19-5=
14
200
0000
0000
Is this model odd or even?
even
200
Draw a model with 3 rows and 4 counters in each row.
0000
0000
0000
200
23+19=
42
200
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oooooo
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How many rows and colums?
3 rows 6 colums
300
7+12=
19
300
Write an odd number between 20-30?
21, 23, 25, 27, 29
300
Monica makes an array with the loaves of bread she made. She places them in 3 rows with 4 loaves in each row. How many loaves of bread does Monica have in all?
Complete the equation.
4 + ___ +____=
12
300
43+12=
55
300
In an array how are rows represented?
side to side
400
20-9=
11
400
Draw a model that represents an even number.
check for response
400
Draw a model to match the story.
Carlos has 5 rows in his bookshelf. In each row he puts 3 books. How many books does he have in all?
15 books
400
74+16=
90
400
0000000
00000
odd or even?
odd
500
Which of the following have the sum of 18?
a. 8+7=
b. 6+10=
c. 7+8=
d. 8+6=
a and c
500
Is this number odd or even?
2645984
even
500
Maria plants 4 rows of flowers in her garden. She plants 3 flowers in each row. Which picture shows Maria's garden?
a.
b.
c.
c
500
If you start at 53 then go down 3 tens and 6 ones what is your sum?
89
500
Juan planted 35 trees.
Carmen planted 27 trees.
How many trees did they plant in all?
Enter your answer in the box.
Carmen planted 27 trees.
How many trees did they plant in all?
Enter your answer in the box.
62 trees