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tags: 4.NBT.B

Tags: sum before average, elevation, DNA, national monument visitors, drought,
under construction
tags: 4.NBT.B
We found 3 post available for you

Mental math tricks - part 2
Algebra Number Sense Ratio and Proportion Wow factor
36 x 25 = 900     480 x 25 =12,000    924 x 2.5 = 2,310 Can you see any tricks for doing these calculations in your head? An editable Word docx, solutions/hints, and a PowerPoi...
5.NBT MP7 MP8 6th 7th 8th HS 5th MP6 4.NBT.B

Impress your parents at dinner
Algebra Number Sense
This activity is the first in our series on mental math tricks.  Let your students develop their own individual way of mentally multiplying by 0.5, 5, 50, 500, and so on.  We have a litt...
5.NBT MP7 MP8 mental math 6th 7th 8th HS 5th MP6 4.NBT.B

A gorgeous, glittery card
Number Sense Geometry Holidays and Annual Events Math and Art
   Uh oh!  How do you find the area of a heart? Get your students to help you calculate how many sequins you'll need to order for this class project.
area 6th 7th 8th 5th 3rd 4th 6.G.A 7.G.A irregular area calculations 3.MD.C 4.NBT.B 5.NBT.B Valentine's Day
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