Use BASE TEN BLOCKS to show me the number 1310
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How do you say this number?
33
If a number ends in 1, 3, 5, 7 or 9 we know that it is....
ODD
Would you round this number up to 20 or down to 10?
down to 10
What does it mean to ESTIMATE?
to use what you know about numbers to make a guess
Tell me 2 ways to COMPOSE the number 10.
Ex. 2 and 8, 5 and 5
How many HUNDREDS are in the number 1620?
6
Put these numbers in order from LEAST to GREATEST. 25, 15, 50, 5.
5, 15, 25, 50.
What is the next ODD number after 7?
9
What number has 5 tens and 5 ones?
55
How many TENS are in the number 45?
4
What number can be DECOMPOSED into 3 and 4?
7
Use BASE TEN BLOCKS to show me the number 405
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Which of these is an ODD number?
47
36
Tell me 2 ways to COMPOSE the number 15.
Ex. 5 and 10, 2 and 13.
What is another way to say 300 + 20 + 2?
322
Which of these is an EVEN number?
18
23
Use BASE TEN BLOCKS to show me the number 62
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What number has 2 hundreds and 3 tens?
230
Would you round this number up to 20 or down to 10?
Up to 20
Would you round this number up to 10 or down to 0?
up to 10
How do you say this number?
89