What this lesson shows
205, 234, and 247 on a line from 200 to 250. From least to greatest: 205, 234, 247.
The worked example
The lesson works this one step by step: 234, 205, 247. Then your kid tries one like it on paper.
The steps
- A mark every 10
- Between two tens
- Left to right is least to greatest
Helping at home
Draw a line with a mark every 10. Put each number between the two tens it sits between. Then read them left to right: least to greatest.
If your kid gets stuck
Which two tens is it between?
Watch it with Lux
With Lux, this lesson is a narrated video and a printed page your kid works on. Then Lux helps with the same math on their own worksheet, one question at a time.
Standards
- Common Core 2.NBT.A.4
Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons.
Matches a standard in all 50 states and DCSee each state's code
- Alabama MA19.2.9
- Alaska 2.NBT.4
- Arizona 2.NBT.A.4
- Arkansas 2.NPV.5
- California 2.NBT.A.4
- Colorado 2.NBT.A.4
- Connecticut 2.NBT.A.4
- Delaware 2.NBT.A.4
- District of Columbia 2.NBT.A.4
- Florida MA.2.NSO.1.3
- Georgia 2.NR.1.3
- Hawaii 2.NBT.A.4
- Idaho 2.NBT.A.4
- Illinois 2.NBT.A.4
- Indiana 2.NS.5
- Iowa 2.NBT.A.4
- Kansas 2.NBT.4
- Kentucky KY.2.NBT.4
- Louisiana 2.NBT.A.4
- Maine 2.NBT.A.4
- Maryland 2.NOS.A.4, 2.NOS.A.5
- Massachusetts 2.NBT.A.4
- Michigan 2.NBT.A.4
- Minnesota 2.1.1.5
- Mississippi 2.NBT.4
- Missouri 2.NBT.A.5
- Montana MT.2.NBT.4
- Nebraska 2.N.3.c
- Nevada 2.NBT.A.4
- New Hampshire 2.NBT.A.4
- New Jersey 2.NBT.A.4
- New Mexico 2.NBT.A.4
- New York NY-2.NBT.4
- North Carolina NC.2.NBT.4
- North Dakota 2.NO.NBT.2
- Ohio 2.NBT.4
- Oklahoma 2.N.1.7
- Oregon 2.NBT.A.4
- Pennsylvania CC.2.1.2.B.1
- Rhode Island 2.NBT.A.4
- South Carolina 2.NR.3.1
- South Dakota 2.NBT.A.4
- Tennessee 2.NBT.A.4
- Texas 111.4.b.2.C, 111.4.b.2.D, 111.4.b.2.E, 111.4.b.2.F
- Utah 2.NBT.4
- Vermont 2.NBT.A.4
- Virginia 2.NS.2f, 2.NS.2g, 2.NS.2h
- Washington 2.NBT.A.4
- West Virginia M.2.9
- Wisconsin M.2.NBT.A.4
- Wyoming 2.NBT.4
More in this unit
- Numbers to 1,000 three ways
- What is a digit worth?
- Zero holds the tens place
- Many names for one number
- New names, same number
- Comparing three-digit numbers
- Same digits, different places
- Read the line's labels
- Ten more, a hundred more
- Ten more past a hundred
- Adding to 1,000
- Subtracting to 1,000
- Subtraction does not turn around
- Trade only when you need to
- Skip-count past a hundred
- Counting by 25s
- Which estimate makes sense?