Use known facts to add and subtract multiples of 100 within 1000 | Exit Quiz | Oak National Academy

Which of these numbers are multiples of a hundred?

• 300

• 500

• 650

• 900

Answer explanation

They are all multiples of 100 except 650

Tags

CCSS.4.OA.B.4

Which known fact could you use to help you calculate 500 + 300?

• 5 + 2 = 7

• 3 + 5 = 8

• 3 + 2 = 5

• 3 + 3 = 6

Answer explanation

3 + 5 can be used to help calculate 500 + 300

Tags

CCSS.4.NBT.B.4

What is 100 less than 600?

(a)  

Answer explanation

500 is 100 less than 600

Tags

CCSS.2.NBT.B.8

Which pairs of numbers are equal to 600?

• 200 and 400

• 300 and 300

• 500 and 200

Answer explanation

200 + 400 and 300 + 300 are both equal to 600

What is the value of the missing part in the bar model?

(a)  

Answer explanation

400 + 400 + 100 = 900

Tags

CCSS.2.NBT.A.1B

Which pairs of numbers could be used to complete the bar model?

• 100 and 700

• 200 and 500

• 300 and 400

• 600 and 100

Answer explanation

All of them could be used to complete the bar model except for 100 and 700