2-1 Quick Check

Is the number 11 an even or odd number?

• Even

• Odd

• Both

• Neither

What is the missing number in the equation: 6 + ___ = 11?

• 3

• 4

• 5

• 7

Tags

CCSS.1.OA.D.8

Choose all of the numbers that are even.

• 8

• 11

• 9

• 14

• 12

Tags

CCSS.2.OA.C.3

If you add two even numbers, will the sum be odd or even? Explain.

• Odd; If you add two even numbers such as 6 + 6, you can make pairs with none left over, so the sum is odd.

• Odd; If you add two even numbers such as 7 + 6, you can make pairs with one left over, so the sum is odd.

• Even; If you add two even numbers such as 7 + 7, you can make pairs with one left over, so the sum is even.

• Even; If you add two even numbers such as 6 + 6, you can make pairs with none left over, so the sum is even.

Tags

CCSS.3.OA.D.9

Malcolm puts 5 fireflies in a jar. He puts 4 fireflies in another jar. How many fireflies does Malcolm have? Is the number odd or even?

• 8; even

• 9; odd

• 10; even

• 11; odd

Tags

CCSS.2.OA.C.3

Which addition sentence has an even sum? Choose all that apply.

• 5 + 5 = 10

• 2 + 3 = 5

• 9 + 8 = 17

• 7 + 7 = 14

• 7 + 8 = 15

Tags

CCSS.3.OA.D.9