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  • How does paper keep its shape?

    8th Grade · Square roots · about 3 min

    CCSS 8.NS.A.1 · CCSS 8.NS.A.2 · CCSS 8.EE.A.2

  • Can the slower cyclist stay ahead?

    8th Grade · Systems of equations · about 2 min

    CCSS 8.EE.C.8.a · CCSS 8.EE.C.8.b

  • When do you turn back?

    8th Grade · Negative rate of change · about 2 min

    CCSS HSF.IF.B.6 · CCSS 8.F.B.4

  • Why can the Moon cover the Sun?

    8th Grade · Dilations · about 2 min

    CCSS 8.G.A.4 · CCSS 8.G.A.5

  • How can one glass beat the ocean?

    8th Grade · Scientific notation · about 2 min

    CCSS 8.EE.A.3

  • How did a stick measure the whole Earth?

    8th Grade · Angles and parallel lines · about 3 min

    CCSS 8.G.A.5 · CCSS 4.MD.C.5.a

  • How much warning before an earthquake?

    8th Grade · Linear relationships · about 3 min

    CCSS 8.EE.B.5 · CCSS 8.F.B.4

  • How big was the dinosaur that left this footprint?

    8th Grade · Associations in data · about 3 min

    CCSS 8.SP.A.1 · CCSS 8.SP.A.2

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