Red Book Pages 5 – 35

5 https://mathninja.org/red-book-page-5-over-under-a-multiple-of-10/
6 https://mathninja.org/red-book-page-6-product-of-the-gcf-and-lcm/
7 https://mathninja.org/red-book-page-7-letter-arrangements-permutations-and-combinations/
8 https://mathninja.org/red-book-page-8-multiplying-by-10101/
9 https://mathninja.org/red-book-page-9-multiplying-powers-of-2-and-5/
10 https://mathninja.org/red-book-page-10-converting-between-radians-and-degrees/
11 https://mathninja.org/red-book-page-11-the-sum-of-two-consecutive-triangular-numbers/
12 https://mathninja.org/red-book-page-12-sum-of-the-first-consecutive-triangular-numbers/
13 https://mathninja.org/red-book-page-13-sum-of-the-reciprocals-of-the-t-triangular-numbers/
14 https://mathninja.org/red-book-page-14-sum-of-first-n-consecutive-squares/
15 https://mathninja.org/red-book-page-15-sum-of-a-fibonacci-sequence/
16 https://mathninja.org/red-book-page-16-approximating-powers-of-e/
17 https://mathninja.org/red-book-page-17-divide-by-9-mixed-number/
18 https://mathninja.org/red-book-page-18-finding-the-n-polygonal-number/
19 https://mathninja.org/red-book-page-19-angle-of-clock-hands/
20 https://mathninja.org/red-book-page-20-squaring-a-3-digit-number/
21 https://mathninja.org/red-book-page-21-cubing-a-3-digit-number/
22 https://mathninja.org/red-book-page-22-sum-of-consecutive-squares/
23 https://mathninja.org/red-book-page-23-difference-of-consecutive-cubes/
24 https://mathninja.org/red-book-page-24-modular-math/
25 https://mathninja.org/red-book-page-25-subtracting-fractions-a-over-b-minus-3a-plus-1-over-3b-minus-1/
26 https://mathninja.org/red-book-page-26-the-m-plus-n-mixed-number-multiplication/
27 https://mathninja.org/red-book-page-27-111-times-b-divided-27/
28 https://mathninja.org/red-book-page-28-a + b x a/b/
29 https://mathninja.org/red-book-page-29-the-sum-of-descending-powers-of-a-to-the-n/
30 https://mathninja.org/red-book-page-30-converting-decimals-to-fractions-new-method/
31 https://mathninja.org/red-book-page-31-converting-fractions-with-99-or-90-to-decimals/
32 https://mathninja.org/red-book-page-32-multiplying-a-percentage-by-a-mixed-number/
33 https://mathninja.org/red-book-page-33-finding-difference-of-a-and-b-given-sum-and-product/
34 https://mathninja.org/red-book-page-34-product-and-sum-of-coefficients-of-a-polynomial/
35 https://mathninja.org/red-book-page-35-vertex-by-completing-the-square/