Try this shady #yohaku. Fill in cells with 9 different integers to get products shown in each row/column AND sum of 4 shaded cells is 1. #mathsky #iTeachMath

Start your day with this #yohaku. Fill in cells with 9 different factors of 495 to get totals shown in each row/column. #mathsky #iTeachMath

Start your day with this #yohaku. Fill in cells with 9 different whole numbers to get products shown in each row/column. More free puzzles and books/ebooks for all ages can be found at yohaku.ca

Start your week with this #yohaku. Fill in cells with 9 different factors of 198 to get totals shown in each row/column. #mathsky #iTeachMath

Lots of salmon seen swimming up creek on my trail run today. I marvel at this sight every autumn.

Here's a #yohaku to take you into the weekend. Fill in cells with 16 different factors of 540 to get totals shown in each row/column AND shaded cells contain square numbers. #mathsky #iTeachMath

Try this shady #yohaku. Fill in cells with 9 different integers to get products shown in each row/column AND sum of 4 shaded cells is -1. #mathsky #iTeachMath

Start your day with this #yohaku. Fill in cells with 9 different factors of 156 to get totals shown in each row/column. #mathsky #iTeachMath

Start your day with this #yohaku. Fill in cells with 9 different whole numbers to get products shown in each row/column. More free puzzles and books/ebooks for all ages can be found at yohaku.ca #mathsky #iTeachMath

Start your week with this #yohaku. Fill in cells with 9 different factors of 168 to get totals shown in each row/column. #mathsky #iTeachMath

Here's a #yohaku to take you into the weekend. Fill in cells with 16 different factors of 480 to get totals shown in each row/column AND shaded cells contain triangle numbers. #mathsky #iTeachMath

Try this shady #yohaku. Fill in cells with 9 different integers to get products shown in each row/column AND sum of 4 shaded cells is -2. #mathsky #iTeachMath

Start your day with this #yohaku. Fill in cells with 9 different factors of 580 to get totals shown in each row/column. #mathsky #iTeachMath

Here's a #yohaku to take you into the weekend. Fill in cells with 16 different factors of 252 to get totals shown in each row/column AND shaded cells contain triangle numbers. #mathsky #iTeachMath

Try this shady #yohaku. Fill in cells with 9 different integers to get products shown in each row/column AND sum of 4 shaded cells is -2. #mathsky #iTeachMath

Start your day with this #yohaku. Fill in cells with 9 different factors of 520 to get totals shown in each row/column. #mathsky #iTeachMath

Start your day with this #yohaku. Fill in cells with 9 different whole numbers to get products shown in each row/column. More free puzzles and books/ebooks for all ages can be found at yohaku.ca

Start your week with this #yohaku. Fill in cells with 9 different factors of 140 to get totals shown in each row/column. #mathsky #iTeachMath

Try this shady #yohaku. Fill in cells with 9 different integers to get products shown in each row/column AND sum of 4 shaded cells is 1. #mathsky #iTeachMath

Start your day with this #yohaku. Fill in cells with 9 different factors of 570 to get totals shown in each row/column. #mathsky #iTeachMath

"Start your day with this #yohaku. Fill in cells with 9 different whole numbers to get products shown in each row/column. More free puzzles and books/ebooks for all ages can be found at yohaku.ca #mathsky #iTeachMath

Start your week with this #yohaku. Fill in cells with 9 different factors of 340 to get totals shown in each row/column. #mathsky #iTeachMath

Here's a #yohaku to take you into the weekend. Fill in cells with 16 different factors of 252 to get totals shown in each row/column AND shaded cells contain triangle numbers. #mathsky #iTeachMath

Try this shady #yohaku. Fill in cells with 9 different integers to get products shown in each row/column AND sum of 4 shaded cells is . #mathsky #iTeachMath

Start your day with this #yohaku. Fill in cells with 9 different factors of to get totals shown in each row/column. #mathsky #iTeachMath

Start your day with this #yohaku. Fill in cells with 9 different whole numbers to get products shown in each row/column. More free puzzles and books/ebooks for all ages can be found at yohaku.ca #mathsky #iTeachMath

Start your week with this #yohaku. Fill in cells with 9 different factors of to get totals shown in each row/column. #mathsky #iTeachMath

Here's a #yohaku to take you into the weekend. Fill in cells with 16 different factors of to get totals shown in each row/column AND shaded cells contain square numbers. #mathsky #iTeachMath

Try this shady #yohaku. Fill in cells with 9 different integers to get products shown in each row/column AND sum of 4 shaded cells is -2. #mathsky #iTeachMath

Start your day with this #yohaku. Fill in cells with 9 different factors of 288 to get totals shown in each row/column. #mathsky #iTeachMath

Start your day with this #yohaku. Fill in cells with 9 different whole numbers to get products shown in each row/column. More free puzzles and books/ebooks for all ages can be found at yohaku.ca #mathsky #iTeachMath

Start your week with this #yohaku. Fill in cells with 9 different factors of 126 to get totals shown in each row/column. #mathsky #iTeachMath

Here's a #yohaku to take you into the weekend. Fill in cells with 16 different factors of 600 to get totals shown in each row/column AND shaded cells contain square numbers. #mathsky #iTeachMath

Try this shady #yohaku. Fill in cells with 9 different integers to get products shown in each row/column AND sum of 4 shaded cells is -2. #mathsky #iTeachMath

Start your day with this #yohaku. Fill in cells with 9 different factors of 408 to get totals shown in each row/column. #mathsky #iTeachMath

Start your day with this #yohaku. Fill in cells with 9 different whole numbers to get products shown in each row/column. More free puzzles and books/ebooks for all ages can be found at yohaku.ca

Start your day with this #yohaku. Fill in cells with 9 different factors of 90 to get totals shown in each row/column. #mathsky #iTeachMath

Here's a #yohaku to take you into the weekend. Fill in cells with 16 different factors of 450 to get totals shown in each row/column AND shaded cells contain square numbers. I will be taking a short break but will be back in 10 days with more puzzles.

Try this shady #yohaku. Fill in cells with 9 different integers to get products shown in each row/column AND sum of 4 shaded cells is -6.

Start your day with this #yohaku. Fill in cells with 9 different factors of 210 to get totals shown in each row/column. #mathsky #iTeachMath

Start your day with this #yohaku. Fill in cells with 9 different whole numbers to get products shown in each row/column. More free puzzles and books/ebooks for all ages can be found at yohaku.ca #mathsky #iTeachMath

Start your week with this #yohaku. Fill in cells with 9 different factors of 224 to get totals shown in each row/column. #mathsky #iTeachMath

Here's a #yohaku to take you into the weekend. Fill in cells with 16 different factors of 648 to get totals shown in each row/column AND shaded cells contain square numbers. #mathsky #iTeachMath

Try this shady #yohaku. Fill in cells with 9 different integers to get products shown in each row/column AND sum of 4 shaded cells is 2.

Start your day with this #yohaku. Fill in cells with 9 different factors of 210 to get totals shown in each row/column. #mathsky #iTeachMath

Start your day with this #yohaku. Fill in cells with 9 different whole numbers to get products shown in each row/column. More free puzzles and books/ebooks for all ages can be found at yohaku.ca #mathsky #iTeachMath

Start your week with this #yohaku. Fill in cells with 9 different factors of 200 to get totals shown in each row/column. #mathsky #iTeachMath

Here's a #yohaku to take you into the weekend. Fill in cells with 16 different factors of 980 to get totals shown in each row/column AND shaded cells contain square numbers. #mathsky #iTeachMath

Try this shady #yohaku. Fill in cells with 9 different integers to get products shown in each row/column AND sum of 4 shaded cells is -2. #mathsky #iTeachMath

Here's a #yohaku to take you into the weekend. Fill in cells with 16 different factors of 612 to get totals shown in each row/column AND shaded cells contain square numbers. #mathsky #iTeachMath