5 https://mathninja.org/blue-book-page-5-multiplying-two-numbers-that-end-in-5/
6 https://mathninja.org/blue-book-page-6-multiplying-whole-number-by-fraction-in-the-forma-times-b-over-c/
7 https://mathninja.org/blue-book-page-7-squaring-a-3-digit-number-with-a-0-in-the-tens/
8 https://mathninja.org/blue-book-page-8-multiplying-by-37/
9 https://mathninja.org/blue-book-page-9-factoring-sums-of-factorials/
10 https://mathninja.org/blue-book-page-10-n-plus-m-divided-by-n/
11 https://mathninja.org/blue-book-page-11-n-plus-m-equals-k-times%e2%88%99x/
12 https://mathninja.org/blue-book-page-12-product-of-4-consecutive-numbers/
13 https://mathninja.org/blue-book-page-13-sum-of-squares-add-to-ten-ones-digit/
14 https://mathninja.org/blue-book-page-14-sum-of-squares-add-to-ten-tens-digit/
15 https://mathninja.org/blue-book-page-15-multiplying-over-under-same-square-with-mixed-numbers/
16 https://mathninja.org/blue-book-page-16-b-over-a-times-a-plus-1-b-over-a-plus-1-times-a-plus-2/
17 https://mathninja.org/blue-book-page-17-sum-of-square-roots/
18 https://mathninja.org/blue-book-page-18-b-over-n-plus-c-over-n/
19 https://mathninja.org/blue-book-page-19-fractions-between-a-and-b-with-denominator-c/
20 https://mathninja.org/blue-book-page-20-estimating-square-roots/
21 https://mathninja.org/blue-book-page-21-the-remainder-when-dividing-by-11/
22 https://mathninja.org/blue-book-page-22-finding-the-quotient-of-a-number-and-11/
23 https://mathninja.org/blue-book-page-23-the-remainder-of-an%c3%b7n/
24 https://mathninja.org/blue-book-page-24-number-of-terms-in-an-arithmetic-sequence/
25 https://mathninja.org/blue-book-page-25-the-sum-of-an-arithmetic-sequence/
26 https://mathninja.org/blue-book-page-26-the-sum-of-an-infinite-geometric-sequence/
27 https://mathninja.org/blue-book-page-27-missing-terms-of-arithmetic-and-geometric-sequences/
28 https://mathninja.org/blue-book-page-28-the-sum-of-the-first-n-even-odd-numbers/
29 https://mathninja.org/blue-book-page-29-pentagonal-and-hexagonal-numbers/
30 https://mathninja.org/blue-book-page-30-the-sum-of-the-nth-triangular-number-and-the-nth-pentagonal-number/
31 https://mathninja.org/blue-book-page-31-the-sum-of-consecutive-pentagonal-numbers/
32 https://mathninja.org/blue-book-page-32-the-sum-of-first-n-cubes/
33 https://mathninja.org/blue-book-page-33-the-quotient-of-the-consecutive-cubes-and-consecutive-numbers/
34 https://mathninja.org/blue-book-page-34-the-sum-of-the-powers-of-a-number/
35 https://mathninja.org/blue-book-page-35-the-sum-of-the-positive-integral-divisors/
Recent Comments