Fact Fluency
2 + 8 = ?
10
8,728
Which way should my sign face?
392 _ 402
<
392 < 402
When rounding, what does my number have to end in?
0!
A student says:
9,381 has 8 hundreds.
What is their mistake?
The 8 is in the tens place. There are 3 hundreds and 8 tens.
15
What digit represents the tens place?
739
3
Which way should my sign face?
839 _732
>
839 > 732
If I need to round to the nearest 10, my answer should be a multiple of...
10
A student says:
83 < 25
What is their mistake?
Their sign is facing the wrong way.
83 > 25 or
25 < 83
10 - 4 = ?
6
Which number has more hundreds?
342
492
492
4 hundreds
Put the following numbers in order from least to greatest:
728 , 838 , 1,203 , 382
382 < 728 < 838 < 1,203
Round to the nearest 10:
39
40
A student says:
When I round 87 to the nearest ten, my answer is 89.
What is their mistake?
The correct answer is 90.
Rounding answers should always end in a zero.
28 - 14 = ?
14
Build the number:
8 thousands, 3 hundreds, 6 tens, 5 ones
8,365
Put the following numbers in order from greatest to least:
371 , 842 , 9,381 , 129
9,381 > 842 > 371 > 129
What is the halfway point between 50 and 60?
55
A student says:
829 < 1,209 < 1,302 > 1,429
What is their mistake?
Their last sign is facing the wrong way.
829 < 1,209 < 1,302 < 1,429
5 x 4 = ?
20
How many hundred thousands are in this number?
17,839,293
8
Order to following numbers from least to greatest and greatest to least:
637 , 938 , 848 , 1,382
637 < 848 < 938 < 1,382
1,382 > 938 > 848 > 637
Round to the nearest 10:
499
500
A student says:
The midpoint between 20 and 30 is 26.
What is their mistake?
The midpoint is 25.