Input schema (JSON)
{
"type": "object",
"properties": {
"seed": {
"type": "string",
"maxLength": 16,
"description": "Which random version to make. Leave out for a fresh one; pass the seed from an earlier result to keep that version while changing other settings."
},
"paper": {
"enum": [
"letter",
"a4"
],
"type": "string",
"description": "Paper size: letter (US Letter, the default; US and Canada) or a4 (everywhere else)."
},
"skill": {
"enum": [
"addition-within-10",
"addition-within-20",
"2-digit-addition-without-regrouping",
"2-digit-addition-with-regrouping",
"3-digit-addition-with-regrouping",
"subtraction-within-10",
"subtraction-within-20",
"2-digit-subtraction-without-regrouping",
"2-digit-subtraction-with-regrouping",
"3-digit-subtraction-with-regrouping",
"multiplication-facts",
"2-times-table",
"3-times-table",
"4-times-table",
"5-times-table",
"6-times-table",
"7-times-table",
"8-times-table",
"9-times-table",
"10-times-table",
"11-times-table",
"12-times-table",
"division-facts",
"long-division-with-remainders",
"identifying-fractions",
"shading-fractions",
"comparing-fractions",
"adding-fractions-with-like-denominators",
"subtracting-fractions-with-like-denominators",
"equivalent-fractions",
"tens-and-ones",
"hundreds-tens-and-ones",
"value-of-the-underlined-digit",
"expanded-form",
"greater-than-less-than",
"telling-time-to-the-hour",
"telling-time-to-the-half-hour",
"telling-time-to-the-quarter-hour",
"telling-time-to-5-minutes",
"telling-time-to-the-minute",
"draw-the-hands-on-the-clock",
"number-bonds-to-10",
"number-bonds-to-20",
"counting",
"ten-frames-1-10",
"ten-frames-11-20",
"skip-counting-by-2s",
"skip-counting-by-3s",
"skip-counting-by-4s",
"skip-counting-by-5s",
"skip-counting-by-10s",
"addition-and-subtraction-fact-families",
"multiplication-and-division-fact-families",
"counting-coins",
"making-change",
"rounding-to-the-nearest-10",
"rounding-to-the-nearest-100",
"rounding-to-the-nearest-1000",
"pictographs",
"tally-marks"
],
"type": "string",
"description": "A ready skill (the math worksheet pages of the site). Leave out to use operation and ranges."
},
"title": {
"type": "string",
"maxLength": 80,
"description": "The title printed at the top of the sheet, e.g. \"Two-Digit Addition\". Keep it short."
},
"layout": {
"enum": [
"vertical",
"horizontal"
],
"type": "string",
"description": "vertical (stacked) or horizontal (in a line)."
},
"sheets": {
"type": "integer",
"maximum": 20,
"minimum": 1,
"description": "How many different sheets."
},
"problems": {
"enum": [
6,
8,
9,
10,
12,
15,
20,
24,
25,
30,
40,
50,
60,
80,
100
],
"type": "integer",
"description": "Problems on each sheet."
},
"operation": {
"enum": [
"add",
"sub",
"mul",
"div",
"addsub",
"all"
],
"type": "string",
"description": "Own arithmetic: add, sub, mul, div, addsub (mixed + and −) or all (mixed)."
},
"answer_key": {
"type": "boolean",
"description": "Answer keys at the end (on by default)."
},
"decoration": {
"type": "string",
"description": "A themed border with matching pictures, drawn around the sheet: \"line\" for a plain border, \"none\" for nothing, or a theme such as halloween, christmas, thanksgiving, spring, dinosaurs, space, ocean, animals, birthday, back-to-school (95 themes; find_printables shows a theme’s name). Leave out for no border."
},
"regrouping": {
"enum": [
"any",
"none",
"always"
],
"type": "string",
"description": "Addition and subtraction: any, none (no carrying or borrowing) or always."
},
"remainders": {
"type": "boolean",
"description": "Division: allow remainders."
},
"dyslexia_font": {
"type": "boolean",
"description": "Print in OpenDyslexic, a typeface some readers with dyslexia find easier."
},
"first_numbers": {
"type": "array",
"items": {
"type": "integer",
"maximum": 9999,
"minimum": 0,
"description": "A number"
},
"maxItems": 2,
"minItems": 2,
"description": "The range of the first number, [min, max], e.g. [10, 99] for two digits."
},
"second_numbers": {
"type": "array",
"items": {
"type": "integer",
"maximum": 9999,
"minimum": 0,
"description": "A number"
},
"maxItems": 2,
"minItems": 2,
"description": "The range of the second number, [min, max]; for times tables [7, 7] gives only ×7."
}
},
"additionalProperties": false
}