What this lesson shows
Fixes a mistake
A big balloon and a small rock on a balance. The rock's side goes down, so the rock is heavier.
The worked example
The lesson works this one step by step: weights, 8 and 4: which is heavier. Then your kid tries one like it on paper.
The steps
- Bigger is not always heavier
- Put them on a balance
- The side that goes down
- is the heavier one
Helping at home
Read each box aloud: the side that goes down is heavier. Then hold a pillow and a can of beans, one in each hand. Which pulls down more?
If your kid gets stuck
The side that goes down is heavier.
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 K.MD.A.2
Directly compare two objects with a measurable attribute in common, to see which object has "more of"/"less of" the attribute, and describe the difference. For example, directly compare the heights of two children and describe one child as taller/shorter.
Matches standards in 50 statesSee each state's code
- Alabama MA19.K.17
- Alaska K.MD.2
- Arizona K.MD.A.2
- Arkansas K.GM.6
- California K.MD.A.2
- Colorado K.MD.A.2
- Connecticut K.MD.A.2
- Delaware K.MD.A.2
- District of Columbia K.MD.A.2
- Florida MA.K.M.1.2
- Georgia K.MDR.7.1
- Hawaii K.MD.A.2
- Idaho K.MD.A.2
- Illinois K.MD.A.2
- Indiana 1.M.1, K.M.1
- Iowa K.MD.A.2
- Kansas K.MD.2
- Kentucky KY.K.MD.2
- Louisiana K.MD.A.2
- Maine K.MD.A.2
- Maryland K.GR.A.2
- Massachusetts K.MD.A.2
- Michigan K.MD.A.2
- Minnesota K.3.2.1, K.3.2.2
- Mississippi K.MD.2
- Missouri K.GM.A.2
- Montana MT.K.MD.2
- Nebraska K.G.2.b
- Nevada K.MD.A.2
- New Hampshire K.MD.A.2
- New Jersey K.M.A.2
- New Mexico K.MD.A.2
- New York NY-K.MD.2
- North Carolina NC.K.MD.2
- North Dakota K.GM.M.1
- Ohio K.MD.2
- Oklahoma K.GM.2.1, K.GM.2.4, 1.GM.2.5
- Oregon K.GM.C.8
- Pennsylvania CC.2.4.K.A.1
- Rhode Island K.MD.A.2
- South Carolina K.MGSR.1.2
- South Dakota K.MD.A.2
- Tennessee K.MD.A.2
- Texas 111.2.b.7.B
- Utah K.MD.2
- Vermont K.MD.A.2
- Virginia K.MG.1a.i, K.MG.1a.ii, K.MG.1a.iii, K.MG.1a.iv, K.MG.1a.v, 1.MG.1a.ii, 1.MG.1a.iii
- Washington K.MD.A.2
- West Virginia M.K.16
- Wisconsin M.K.MD.A.2