Prefixes
Math
Exponents
Synonyms and Antonyms
Rounding
100

The prefix 're-' means...

again

100

What is 90 x 7?

630

100

52 x 102

5200

100

Name an antonym for 'messy'

clean or teacher's discretion

100

What is 1,665 rounded to the nearest ten? 

1,670

200

the prefix 'un-' means...

not

200

What is 12 x 12?

144

200

345 x 103

345,000

200

Name a synonym for 'hot'

teacher's discretion

200

Round 842 to the nearest hundred.

800

300

the prefix 'pre-' means

before

300

What number has 4 ten thousands, no thousands, 1 hundred, and 8 ones?

40,108

300

5,387 x 102

538,700

300

Name an antonym for: cry

sob, weep, or weep or teacher's discretion

300

What is 39,046 to the nearest thousand?

39,000

400

the prefix 'dis-' means...

not or the opposite of

400

What is 52 x 3?

156

400

4,198 x 104

41,980,000

400

Name a synonym for: 'happy'

glad, merry, cheery or teacher's discretion

400

What is 882,332 rounded to the nearest ten thousand?

880,000

500

The prefix 'ex-' means...

out of, away from

500

Meritt had $535, what is the maximum number of 10 dollar bills she could have?

53

500

659 x 107

6,590,000,000

500

Name a synonym for: large

huge, enormous, big, or teacher's discretion
500

What is 99,999 rounded to the nearest hundred?

100,000

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