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Reveal Math Unit 5 Test

Study Slideshow

Which equation represents how to find the product of the array? How could you decompose the equation?

How can you decompose to find the product of 6x8?

How can you decompose 3x9?

How can you use doubles to find the unknown for 7x4=? if 7x2=14?

How could you use doubles to find the unknown for 6x9 if 3x9=27?

How could you use doubles to find the unknown for 8x7 if 7x4=28?

What is the equation for the decomposed expression 1x7+5x7?

What is the equation for the decomposed expression 9x2+9x2?

What is the equation for the decomposed expression 5x4+5x3?

Jonah wants to find the product of 8x9. He starts by drawing an array. Number the steps in the correct order to find the product by decomposing.

Landry buys 6 sets of books. Each set has 7 books. How many total books does Landry buy?

42 books

James and Jack are helping fix a fence. They buy 5 boxes of nails for $8 each. How much do they spend on nails?

$40

What completes the equation? 7x___=63

Margret buys 7 packages of hair bows with 3 bows in each package. How many hair bows does Margret buy in all? How could you use 2's facts and 1's facts to solve this problem? Explain.

21 hair bows

Lucas plants 4 blackberry bushes in 9 rows. How can you draw an array and decompose a factor to find how many blackberry bushes he planted? Show your work.

36 blackberry bushes

What are two different ways to decompose the array to find the product of 5x7?