Unit 2 Math Assessment

Tell if the numbers are prime or composite. 1. 33

• Prime

• Composite

Tags

CCSS.4.OA.B.4

Tell if the numbers are prime or composite. 2. 53

• Prime

• Composite

Tags

CCSS.4.OA.B.4

Tell if the numbers are prime or composite. 3. 81

• Prime

• Composite

Tags

CCSS.4.OA.B.4

Tell if the numbers are prime or composite. 4. 67

• Prime

• Composite

Tags

CCSS.4.OA.B.4

List all the factors of the following numbers. 5. 46

• 1, 2, 23, 46

• 1, 2, 23

• 1, 23, 46

Tags

CCSS.4.OA.B.4

List all the factors of the following numbers. 6. 28

• 1, 2, 4, 7, 14, 28

• 1, 2, 4, 7, 14

• 1, 2, 4, 28

Tags

CCSS.4.OA.B.4

Make a factor tree. 7. 36

Make a factor tree. 8. 28

Find the GCF (Greatest Common Factor) of the following sets of numbers. 9. 15 and 20

• 5

• 3

• 1

Find the GCF (Greatest Common Factor) of the following sets of numbers. 10. 8 and 18

• 4

• 2

• 1