How to Increase and Decrease Evenly Across a Row – The Perfect Formula for Knitting & Crochet
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How To Increase and Decrease Evenly Across A Row – The Perfect Formula
… works for both knitting and crochet …
There are two versions of this tutorial.
Part I is two tutorials, one on Increasing Evenly, one on Decreasing Evenly with hows and whys explanations after each numbered step.
Part II is a quicker version of Part I, no tutorial, just the steps.
You may jump to Part II but still refer back to Part I if you feel the need. So, here goes!
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The pdf download (scroll down past abbreviations) includes a Bonus third version, the briefer, quicker, dirtier version so that you may ‘Knit ‘er Done’ …
Part 1, Increasing – How to Increase Evenly Across a Row – The Perfect Formula
1) Example – 149 sts inc by 34 = 183 sts. First do the math: 149 ÷ 34 = 4.38
2) Discard the fraction (always use the whole number before the decimal; the rem fraction works in later): 149 ÷ 34 now = 4.
3) Now we know that for 34x, we will inc one st for ea set of 4 sts.
4) Identify patt rep. For evenly spaced inc and symmetrical row ends, we want to begin and end with an inc, so the patt rep will be a multiple of 4 sts plus 1: (x = inc 1 st, o = k) xooo / xooo / xooo / x
5) In #4 we have added an inc to the total number of inc. Now we will take one away from the 34 sets of 4 sts, to make 33 sets of 4 in order to get back to a total of 34 inc.
6) So, how many sts are we going to use? Answer: 33 sets of 4 = 132 + 1 = 133.
7) Next, how many sts are leftover? Answer: 149 – 133 = 16 sts. Split them In half and put them on either side of the 133 sts (beg and end of row now balanced). For uneven number, e.g. 7, wk as 3 on one end and 4 on other.
8) Wk row as: k8, inc 1 st in next st, (k3, inc 1 st in next st)33x, ending k8.
k ___, inc 1 st in next st (k ___, inc 1 st in next st) ___# of times, end w/k___
PROOF – Upon completion, read row (rs facing) right to left:
8 + 1 + (33×4) + 8 = 149 + 34 sts inc = 183.
Part I, Decreasing – How to Decrease Evenly Across a Row – The Perfect Formula
1) Example – 149 sts decreased by 34 = 115 sts. First do the math: 149 ÷ 34 = 4.38
2) Discard the fraction (always use the whole number before the decimal; the rem fraction works in later): 149 ÷ 34 now = 4.
3) Now we know that for 34x, we will dec one st for ea set of 4 sts.
4) Identify patt rep. For evenly spaced dec and symmetrical row ends, we want to begin and end with a dec, so the
patt rep will be a multiple of 4 sts plus 2: xxoo / xxoo / xxoo / xx (xx = k2tog, o = k)
5) In #4 we have added a dec to the total number of dec. Now we will take one away from the 34 sets of 4, to make 33 sets of 4 in order to get back to a total of 34 dec.
6) So, how many sts are we going to use? Answer: 33 sets of 4 = 132 + 2 = 134.
7) Next, how many sts are leftover? Answer: 149 – 134 = 15 sts. Split them in half and put them on either side of the 134 sts ( beg and end of row now balanced ). For uneven number, e.g. 7, wk as 3 on one end and 4 on other.
8) Wk row as: K7, k2 tog, (k 2, k2 tog)33x, end w/k8
k ___, [k2 tog, (k ___, k2 tog) ___# of times, end w/k___
PROOF – Upon completion, read row (rs facing) right to left:
7 + 2 + (33×4) + 8 = 149 – 34 dec = 115 sts of dec row.
Part II, Increasing – To Inc Evenly Across Row – Always Follow These Steps
Example: 149 sts to be inc by 34 sts = 183
1) 149 original number of sts divided by 34 inc = 4.38 and drop all fractions = 4
sts in ea inc set of sts. Patt rep is multiple of 4 plus 1.
2) Take the number of inc and subtract 1: 34 – 1 = 33
3) 33 inc sets of 4 sts ea = 132 total sts; add 1 st to total: 132 + 1 = 133 sts of
original number on needle to be used.
4) 149 original sts on needle minus 132 total sts used = 16 unused sts
5) Divide leftover sts by 2 for number of sts to wk on ea end: 16 ÷ 2 = 8 sts.
For uneven number, e.g. 7, wk as 3 on one end and 4 on other.
6) Wk row as: k8, inc in next st, (k3, inc 1 in next st)across to last 8 sts, k8.
7) Proof/Read completed row below right to left:
8 + 1 + 132 (34 sets of 4) + 8 = 149 original sts plus 34 inc made = 183
___ / ______________________________ / 1 / ______
8 165 [33 sets of 4 (k3, inc 1)across] 2 (1 inc). 8 = 183
Part II, Decreasing – To Dec Evenly Across A Row – Always Follow These Steps
Example: 149 sts to be dec by 34 sts = 115
1) 149 original number of sts divided by 34 dec = 4.38 and drop all fractions = 4
sts in ea dec set of sts. Pattern rep is multiple of 4 plus 2
2) Take the number of dec needed and subtract 1: 34 – 1 = 33
3) 33 inc sets of 4 sts ea = 132 total sts; add 2 st to total: 132 + 2 = 134 sts of
original number on needle to be used
4) 149 original sts on needle minus 134 sts used = 15 unused sts
5) Divide leftover sts by 2 for number of sts to wk on ea end: 15 ÷ 2 = 7 + 8;
for uneven number, e.g. 7, wk as 3 on one end and 4 on other
6) Wk row as: k7, k2 tog, (k2, k2tog)across to last 8 sts, k8.
7) Proof/Read completed row below right to left:
7 + 2 + 132 (34 sets of 4) + 8 = 149 original sts plus 34 dec made = 115
__/ _______________________________ / 2 / ________
8 99 [33 sets of 4 (k2, k2tog)across] 1(k2tog) 7 = 115
click the pdf for Part III and abbreviations list.
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