Odd/Even
Is 15 even or odd?
Odd
Maya eats an even number of grapes. She eats 2 more grapes. How many grapes could Maya have eaten? Choose all that apply.
a. 4 grapes
b. 12 grapes
c. 9 grapes
d. 14 grapes
a. 4 grapes
b. 12 grapes
d. 14 grapes
Sarah makes this array to show 16. What is her mistake?
She created the array with group of 5 instead of groups of 8. She needed to use the doubles problem 8 + 8 = 16 to show 2 rows of 8 in each row.
Is 12 even or odd?
12 is even.
Draw a different array that has the same number of objects as the array shown. Write an equation for your array.
7 + 7 = 14
Draw a different array that has the same number of objects as the array shown. Write an equation for your array.
3 + 3 + 3 + 3 = 12
Make pairs. Is 7 even or odd?
7 is odd.
Is the sum of 6 + 6 an even number? How do you know?
6 + 6 = 12
12 is even.
Toby puts his muffins in 3 rows. There are 4 muffins in each row. He gives 5 muffins away. How many muffins does Toby have left?
Draw a picture and complete the equation to solve.
? - 5 = ?
Toby has ? muffins left.
12 - 5 = 7
Toby has 7 muffins left.
Write 18 as the sum of two equal addends.
? + ? = 18
9 + 9 = 18
Which groups of addends tell the total number of flowers in the array? Choose all that apply.
a. 4 + 4
b. 2 + 2
c. 4 + 4 + 4 + 4
d. 2 + 2 + 2 + 2
a. 4 + 4
d. 2 + 2 + 2 + 2
There are 20 running shoes on a store shelf. How many pairs of running shoes are there?
There are ? pairs of running shoes.
There are 10 pairs of running shoes.
Describe two arrays that have the given number of objects.
10 cars
? rows of ? cars
? rows of ? cars
2 rows of 5 cars
5 rows of 2 cars
Write two different equations for the array.
4 + 4 + 4 + 4 + 4 = 20
5 + 5 + 5 + 5 = 20
Mateo's teacher asked him to set up 3 rows of 6 chairs in the music room. How many chairs did Mateo set up?
Draw an array to help you.
Mateo set up ? chairs.
Mateo set up 18 chairs.