5.3: Homework

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Aug 24, 2021
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- 5.2: Multiplication Algorithms
- 6: Division

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Submit homework separately from this workbook and staple all pages together. (One staple for the entire submission of all the unit homework)
Start a new module on the front side of a new page and write the module number on the top center of the page.
Answers without supporting work will receive no credit.
Some solutions are given in the solutions manual.
You may work with classmates but do your own work.

HW #1

Use the repeated addition definition of multiplication to compute the following. First, write out the meaning of the multiplication, and then compute the answer.

$8 \times 4$

$4 \times 11$

HW #2

Use the repeated addition definition of multiplication to compute the following. Make sure you write out the meaning of the multiplication in the system given showing all of the work and exchanges. Do not do the problem in base ten.

Screen Shot 2021-05-16 at 10.12.33 AM.png

HW #3

Use the definition of multiplication for trains to compute the following. Then translate to make an equation using numbers.

$P \times W =$ _____ translates to _______________

$K \times W =$ _____ translates to _______________

HW #4

Write the Cartesian product

a. {3, x}

$\times$ {0, 1, 6}

b. {a, b, 0}

$\times$ {1, 2}

HW #5

Use the set theory definition of multiplication to verify $3 \times 2 = 6$

HW #6

Complete the following using your base blocks. Show all work.

$F \times L$

$B \times L$

$F \times F$

$F \times B$

$B \times F$

HW #7

Write the base four multiplication table

HW #8

Compute the following $2506_{\text{seven}} \times 451_{\text{seven}}$ using the lattice method.

$2506 \times 451$

$2506_{\text{seven}} \times 451_{\text{seven}}$

HW #9

Compute $19 \times 24$ and $24 \times 19$ using the Duplation method. Show all steps.

HW #10

For each set of three numbers given, illustrate an example of the associative property of multiplication, and then illustrate an example of the distributive property of multiplication over addition. Follow procedures outlined in this module

$2_{\text{five}}, 3_{\text{five}}, 4_{\text{five}}$

$3_{\text{six}}, 4_{\text{six}}, 5_{\text{six}}$

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