Ordinal and Cardinal Numbers

What is meant by ordinal numbers?

• Ordinal numbers are used to indicate the size of an object in a sequence.

• Ordinal numbers are used to indicate the total number of objects in a sequence.

• Ordinal numbers are used to indicate the time of an object in a sequence.

• Ordinal numbers are used to indicate the order or position of an object in a sequence.

Tags

CCSS.2.OA.C.3

What is the cardinal number of 5?

• three

• two

• four

• five

Tags

CCSS.1.NBT.A.1

Write the number 10 in words!

• ten

• twelve

• eleven

• one

Calculate with ordinal numbers: 1, 2, 3, ...

• 5th

• 6th

• 4th

• 1st, 2nd, 3rd, ...

Is the number 3 included in ordinal numbers?

• No

• Not possible

• Possible

• Yes

What is the cardinal number of the 8th sequence?

• six

• seven

• eight

• nine

Tags

CCSS.1.NBT.A.1

Use numbers in the sentence: I have 3 pencils.

• I have 3 pencils.

• I have 10 pencils.

• I have 2 pencils.

• I have 5 pencils.

Tags

CCSS.1.OA.A.1

Calculate with cardinal numbers: 1, 2, 3, ...

• 6, 7, 8, 9, 10, ...

• A, B, C, D, E, ...

• Red, Blue, Green, Yellow, ...

• 1, 2, 3, 4, 5, ...

Tags

CCSS.1.OA.C.6

Write the number 15 in words!

• Fifteen

• Thirteen

• Twenty

• Fourteen

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

Is the number 10 an ordinal number?

• Yes

• Maybe

• No

• Not possible