Comparing Numbers
What symbol do you use to show that 321 is less than 456?
>
Write 234 in word form.
two hundred and thirty four
Count backwards from 100 to 90.
100,99,98,97,96,95,94,93,92,91
Count forwards from 300 to 310.
300,301,302,303,304,305,306,307,308,309,310
Write the number 456 in unit form.
4 hundreds 5 tens 6 ones
Which is greater: 512 or 529?
529
Write 234 in word form.
400+50+6
Count backwards from 200 to 190.
Count forwards from 110 to 120
110,111,112,113,114,115,116,117,118,119,120
Solve: There are 30 apples. If 10 are eaten, how many are left?
20 apples are left
Compare and write: 645 _ 654
645<654
What is 789 in popsicle sticks?
7 hundreds 8 tens and 9 ones
Count backwards by tens from 100 to 0
100,90,80,70,60,50,40,30,20,10,0
Count forwards by hundreds from 200 to 500.
200,300,400,500
Solve: Maria has 25 candies, and she buys 15 more. How many does she have now?
40 candles
True or False: 432 = 423.
False
Write 890 in word form.
eight hundred and ninety
Count backwards from 500 to 100 by hundreds.
500,400,300,200,100
Count forwards from 900 to 1000 by tens.
900,910,920,930,940,950,960,970,980,990
Solve: If there are 45 students in a class and 11 go home, how many are left?
34 students
Write a comparison using <, >, or = for 678 and 687
678<687
Write 1345 in expanded form.
1000+300+40+5
Count backwards from 1000 to 950 by tens.
1000, 990,980,970,960,950
Count forwards from 500 to 900 by hundreds.
500,600,700,800,900
Solve: There are 60 birds in a tree. 21 fly away. How many birds are still in the tree?
39 are left