What this lesson shows
9:40 to 10:25 in jumps to the next hour, then the minutes left.
The worked example
The lesson works this one step by step: 9:40 a.m. to 10:25 a.m. Then your kid tries one like it on paper.
The steps
- Start and end
- To the next hour
- The minutes left
- Add the jumps
Helping at home
Draw an open number line with the start and end times. Jump to the next whole hour, then jump the minutes left, and add the jumps. 90 minutes and 1 hour 30 minutes are both right.
If your kid gets stuck
First jump to the next whole hour.
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 3.MD.A.1
Tell and write time to the nearest minute and measure time intervals in minutes. Solve word problems involving addition and subtraction of time intervals in minutes, e.g., by representing the problem on a number line diagram.
Matches standards in 50 statesSee each state's code
- Alabama MA19.3.18a
- Alaska 3.MD.1
- Arizona 3.MD.A.1a
- Arkansas 2.GM.11, 3.GM.10, 3.GM.11
- California 3.MD.A.1
- Colorado 3.MD.A.1
- Connecticut 3.MD.A.1
- Delaware 3.MD.A.1
- District of Columbia 3.MD.A.1
- Florida MA.3.M.2.1, MA.3.M.2.2
- Georgia 3.MDR.5.2, 3.MDR.5.3
- Hawaii 3.MD.A.1
- Idaho 3.MD.A.1
- Illinois 3.MD.A.1
- Indiana 3.M.3, 2.M.4
- Iowa 3.MD.A.1
- Kansas 3.MD.1
- Kentucky KY.3.MD.1
- Louisiana 3.MD.A.1.a, 3.MD.A.1.b, 3.MD.A.1.c
- Maine 3.MD.A.1
- Maryland 2.GR.C.7, 2.GR.C.8, 3.GR.A.2
- Massachusetts 3.MD.A.1
- Michigan 3.MD.A.1
- Minnesota 3.3.3.1
- Mississippi 3.MD.1
- Missouri 3.GM.B.4, 3.GM.B.5, 3.GM.B.6
- Montana MT.3.MD.1, 4.D1.18
- Nebraska 3.G.4.a, 3.G.4.b
- Nevada 3.MD.A.1
- New Hampshire 3.MD.A.1
- New Jersey 3.M.A.1
- New Mexico 3.MD.A.1
- New York NY-3.MD.1
- North Carolina NC.3.MD.1
- North Dakota 3.GM.M.3, 3.GM.M.4
- Ohio 3.MD.1.a
- Oklahoma 3.GM.3.2
- Oregon 3.GM.B.3
- Pennsylvania CC.2.4.3.A.2
- Rhode Island 3.MD.A.1
- South Carolina 3.MGSR.2.2, 4.MGSR.2.2, 3.MGSR.2.3
- South Dakota 3.MD.A.1
- Tennessee 3.MD.A.1.a
- Texas 111.4.b.9.G, 111.5.b.7.C
- Utah 3.MD.1
- Vermont 3.MD.A.1
- Virginia 3.MG.3a, 3.MG.3b, 3.MG.3c.i, 3.MG.3c.ii, 3.MG.3c.iii, 4.MG.2a.i, 4.MG.2a.ii, 4.MG.2a.iii
- Washington 3.MD.A.1
- West Virginia M.3.18
- Wisconsin M.3.MD.A.1