freeCodeCamp/curriculum/math-challenges/30-arithmetic/additon-and-subtraction.json

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{
"name": "Additon and Subtraction",
"order": 2,
"challenges": [
{
"id": "59a5801209a6acac5983b411",
"title": "Add Whole Numbers",
"description": [
""
],
"challengeSeed": [
""
],
"tests": [
""
]
},
{
"id": "59a5801209a6acac59836306",
"title": "Subtract Whole Numbers",
"description": [
""
],
"challengeSeed": [
""
],
"tests": [
""
]
},
{
"id": "59a5801209a6acac59836307",
"title": "Estimate Whole Number Sums and Differences",
"description": [
""
],
"challengeSeed": [
""
],
"tests": [
""
]
}
]
}