COUNTDOWN to Math STAAR

Front

What is half of $40?

Back

$20

Tags

CCSS.5.NBT.B.7

Front

If Ulric saves half of his money, how much does he have left to spend?

Back

$20

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

If Ulric spends the same amount of money over 4 days, how do you find out how much he spends each day?

Back

Divide the total amount he has left ($20) by 4.

Tags

CCSS.3.OA.A.3

Front

What is the formula to find the amount spent each day?

Back

Amount spent each day = Total amount / Number of days

Tags

CCSS.3.OA.A.3

Front

What is an angle?

Back

An angle is formed by two rays that share a common endpoint.

Front

What tool do you use to measure angles?

Back

A protractor.

Tags

CCSS.4.MD.C.6

Front

If an angle measures 50°, what does that mean?

Back

It means the angle is 50 degrees wide.

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Front

What is a ray in geometry?

Back

A ray is a part of a line that starts at a point and extends infinitely in one direction.

Tags

CCSS.4.G.A.1

Front

What is estimation in mathematics?

Back

Estimation is finding a number that is close enough to the right answer, usually with some thought.

Front

If a librarian estimates there are 44,000 books, what does that mean?

Back

It means the librarian believes the number of books is around 44,000, but it may not be exact.

Tags

CCSS.RI.4.7

CCSS.RI.5.7

CCSS.RL.3.7

CCSS.RL.4.7

CCSS.RL.5.7