1
Temperature
5 lessonsHow hot or cold something is, placed on a numbered scale
2
What measurement is
15 lessonsPutting a number on something by picking a unit and counting how many copies of it fit
2.1Attributes you can measureKindergarten
2.2Comparing two objectsKindergarten
2.5Balancing to compare massKindergarten
2.6Comparing with a middle objectGrade 1
2.7Iterating a single unitGrade 1
2.8Measuring tools and reading their scalesGrade 2
2.9Smaller units give bigger countsGrade 2
2.10Benchmarks, estimating and choosing a unitGrade 2
2.14Measurement errorMath 7
2.15Significant figuresMath 8
3
Length and units
8 lessonsMeasuring how long, and moving between units.
3.2Measuring lengthGrade 1
3.3Customary length unitsGrade 2
3.4Length on a number lineGrade 2
3.5Metric length unitsGrade 2
3.6Measuring to the half and quarter inchGrade 3
3.7Customary conversionsGrade 4
3.8Converting metric units by powers of tenGrade 4
4
Time and money
14 lessonsReading clocks and counting coins.
4.1MoneyGrade 2
4.3Telling timeGrade 1
4.4Counting mixed coinsGrade 2
4.6Telling time to the nearest five minutesGrade 2
4.7Elapsed timeGrade 3
4.8Units of timeGrade 4
4.9Calendars and datesGrade 4
4.10Story problems with dollars and centsGrade 2
4.11Money written as decimalsGrade 5
4.12Twenty four hour time and crossing midnightGrade 4
4.13Time zonesGrade 5
4.14Currency exchangeMath 7
5
Mass and weight
4 lessonsHow much matter is in an object, and how hard gravity pulls on it
6
Systems of units
7 lessonsA whole family of units built to fit together, so amounts can be traded between them
6.2The customary systemGrade 4
6.3The metric system and SI unitsGrade 3
6.4Metric prefixesGrade 3
6.7Converting square and cubic unitsMath 7
7
Area and perimeter
16 lessonsAround the edge, and how much surface inside.
7.3Area as coveringGrade 3
7.4Measuring area with unit squaresGrade 3
7.5Area of rectangles and squaresGrade 3
7.6PerimeterGrade 3
7.7Perimeter versus areaGrade 3
7.8Splitting a figure into rectanglesGrade 3
7.9Finding a missing side from the areaGrade 4
7.10Finding a missing side from the perimeterGrade 3
7.11Area of parallelograms and trapezoidsMath 6
7.12Area of trianglesMath 6
7.15Why the circle area formula worksMath 7
7.16Area of a regular polygonGeometry
8
Volume and capacity
10 lessonsHow much space something takes up, or holds.
8.1Volume does not change when it is pouredKindergarten
8.2Volume as fillingGrade 5
8.4Liquid volume: liters and millilitersGrade 3
8.5Customary capacity unitsGrade 4
8.6Volume with unit cubesGrade 5
8.7Volume of a boxGrade 5
8.10Volume of a solid made of boxesGrade 5
9
Measuring angles
6 lessonsDegrees, and reading a protractor.
10
Rates from measurements
3 lessonsNumbers made by dividing one measurement by another, such as speed or density
11
Scale and size
4 lessonsWhat happens to lengths, areas and volumes when a whole object is made bigger or smaller
11.1Scale and size
11.2Scale factor multiplies every lengthMath 7
11.3Scale factor, area and volumeMath 7
11.4Measuring what you cannot reachGeometry
12
More in measurement
1 lesson12.1Units, quantities and a sensible level of accuracyAlgebra 1