Pages 47 through 65

Pg 27 – Multiplying by 3367

Pg 28 – Multiplying by 143

Pg 29 – Add to 1 Mixed Numbers

Pg 30 – Difference of Two Squares

Pg 31 – Sum of Two Squares

Pg 32 – Greatest Common Factor

Pg 33 – Least Common Multiple

Pg 34 – Multiplying a x a/b

Pg 35 – Multiplying Mixed Numbers with Same Fractions

Pg 36 – Multiplying Mixed Numbers with Different Fractions

Pg 37 – Converting Mixed Numbers Percents to fractions

Pg 38 – Adding inverse fractions

Pg 39 – Adding consecutive Integers

Pg 40 – Divisibility Rules

Pg 41 – Multiplying a whole number by a mixed number

Pg 42 – Union/Non-Union

Pg 43 – Set Theory

Pg 44 – Base b to Base 10

Pg 45 – Base 10 to Base b

Pg 46 – Determining the Base of a Number

## 14 comments

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How do you do a problem where x base 2 minus y base 2 =____ base 2, or 1011 base 2 – 1001 base 2= ___ base 2? I saw something in this format on the number sense TMSCA quiz. thanks

Author

Just remember the rules of math still apply. In base two you need to carry when you make 2. Subtract borrow 2 etc.

is there a calculator book

Author

Not yet but one day there might be.

Hi Mr, Gillespy,

I understand how to find IF a number is divisible by 11, but how do you know how much remainder a number divided by 11 has? For example, 4273 divided by 11.

Author

I am re writting my book this summer and I have a better method. Basically start with the far right number and do this. 3 – 7 + 2 – 4 = -9 if the number you get is positive thats the remainder. If its negative subtract it from 11 so in this case the answers remainder 2.

Does this trick only work for dividing by 11?

Author

You could make new tricks with other numbers but this is for 11’s

Hi there

Even though you can kind of do these kind of problems in your head, I wanted to know if there is a faster way to do a problem like 12 1/2 x 88 or something like that. Would it be divide it by 88 by 8 and add 2 zeroes?

Thanks

Author

Yep exactly .

Is there a trick for 7 1/3 * 14 1/3

Author

Yep book one has this information.

Is there a trick for figuring out how many terms a sequence has?

For example, how many terms does the sequence 2, 5, 8, 11, ……., 152 have?

Author

Yes its in the blue book