Number Pattern Trail

{
"finish": "You spotted the rules and completed the number trail.",
"steps": [
{
"question": "Look at the pattern. What number comes next?",
"card": "120, 130, 140, ___",
"choices": ["141", "150", "160"],
"answer": 1,
"good": "Correct. The numbers are increasing by 10.",
"help": "Look at the difference between 120 and 130, then 130 and 140."
},
{
"question": "What is the rule in this pattern?",
"card": "45, 50, 55, 60",
"choices": ["Add 5 each time", "Add 10 each time", "Take away 5 each time"],
"answer": 0,
"good": "Yes. Each number is 5 more than the one before it.",
"help": "Compare 45 and 50. How much larger is 50?"
},
{
"question": "Complete the pattern.",
"card": "300, 280, 260, ___",
"choices": ["250", "240", "220"],
"answer": 1,
"good": "Excellent. The pattern is subtract 20 each time.",
"help": "300 to 280 goes down by 20. Do the same again."
},
{
"question": "Kato starts at 75 and counts forward in tens. Which number will he say after 95?",
"card": "75, 85, 95, ___",
"choices": ["100", "105", "115"],
"answer": 1,
"good": "Brilliant. Counting in tens means add 10: 95 + 10 = 105.",
"help": "Add one ten to 95."
}
]
}