Arrays
Word Problems
Even & Odd
True or False
Random
100
Write 2 equations that match this array.
3 + 3 + 3 + 3 + 3 =15
5 + 5 + 5 = 15
100
Mickey Mouse has 20 pennies. He arranges them into 5 rows. How many pennies are in each row?
1. Draw an array to match.
2. Write your final answer.
4 pennies.
100
What does even mean?
2 equal groups
100
TRUE OR FALSE.
Drawing near doubles in cubes would be an example of an odd number.
TRUE
Here are some examples:
4 + 3, 8 + 9, 2 + 3
100
In an array, are rows up and down or across?
across
200
Draw an array that matches 3 + 3 = 6.
200
In a second grade class there are 8 rows of students. Each row has 3 students. How many students are in the class?
Draw an array and equation to match.
8 + 8 + 8 = 24
24 students
200
Are these numbers even or odd?
4, 10, 2, 74, 108, 932
even
200
TRUE or FALSE.
This shows 4 rows of shamrocks with 2 in each row.
FALSE! This array is 3 rows of shamrocks with 2 in each row.
200
Who is the bestest teacher?
Ms. Ostrega
300
Write 2 equations that match this array.
6 + 6 = 12
2 + 2 + 2 + 2 + 2 + 2 = 12
300
There is a bookshelf with 3 shelves. There are 5 books on each shelf. How many books are there altogether?
Write an equation to match.
There are 15 books.
5 + 5 + 5 = 15
3 + 3 + 3 + 3 + 3 = 15
300
Are these numbers even or odd?
3, 5, 1, 9, 33, 95
odd
300
TRUE OR FALSE.
When figuring out if a number is even or odd, you need to look at the ones place.
TRUE
300
In an array, are columns up and down or across?
up and down
400
Draw an array that matches:
4 + 4 + 4 = 12
400
Batman has 15 m&ms. He arranges them into rows so that each row has the same number of m&ms. What is one way he could do this?
Draw an array and write the matching equation.
5 + 5 + 5 = 15 m&ms
3 + 3 + 3 + 3 + 3 = 15 m&ms
400
Bob the Builder writes an equation with an even sum greater than 16. What could he write?
a. 3 + 3 = 6
b. 4 + 7 = 11
c. 9 + 9 = 18
d. 9 + 8 = 17
c. 9 + 9 = 18
400
Jack Skellington has 8 pumpkins.
Write yes or no to each if he can use the equation to make an array with the pumpkins.
5 + 3 = 8 _________
4 + 4 = 8 _________
2 + 2 + 2 = 6 _________
2 + 2 + 2 + 2 = 8 _________
5 + 3 = 8 NO
4 + 4 = 8 YES
2 + 2 + 2 = 6 NO
2 + 2 + 2 + 2 = 8 YES
400
When is our math test?
TOMORROW!
500
What equation can you write to match this array?
7 + 7 + 7 + 7 + 7 = 35
5 + 5 + 5 + 5 + 5 + 5 + 5 = 35
500
A gardener plants 4 rows of strawberries with 5 plants in each row.
Which equation shows how many plants the gardener has in all?
5 + 5 + 5 + 5 = 20
20 strawberry plants
500
Ms. Ostrega says there is an odd number of items below. Do you agree or disagree? Why?
Disagree. There are 10 items altogether which means there can be 2 groups of 5.
500
True or False.
I cannot turn this into an array.
FALSE! You can make an array of 2 equal groups of 5
500
An ______________ is a group of objects set in equal rows and columns that forms a rectangle.
array