Instructions
Look carefully at each group of numbers. Figure out the pattern and use it to solve the problems below!
Part 1: Find the Missing Numbers!
Complete each number pattern by filling in the blanks.
1. 4, 8, 12, , 20, 24
2. 25, 22, 19, , 13, 10
3. 10, 20, 30, , 50,
4. 99, 88, 77, , 55, 44
5. 3, 5, 7, 9, , 13
Part 2: What's the Rule?
Look at the pattern and write down the rule. (Example: "Add 2" or "Subtract 5")
1. 5, 10, 15, 20, 25 The rule is:
2. 30, 28, 26, 24, 22 The rule is:
3. 7, 14, 21, 28, 35 The rule is:
Part 3: Pattern Puzzles!
Read the story and use your pattern-solving skills to find the answer.
1. A robot builds a tower with blocks. The first tower has 2 blocks. The second has 5 blocks. The third has 8 blocks. If the pattern continues, how many blocks will the fourth tower have?
Answer: blocks
Answer: blocks
2. Sarah is saving stickers. On Monday, she has 50 stickers. On Tuesday, she gives 5 away. On Wednesday, she gives 5 more away. If she keeps giving 5 stickers away each day, how many stickers will she have on Friday?
Answer: stickers
Answer: stickers
Answer Key
Part 1: Find the Missing Numbers!
1. 16
2. 16
3. 40, 60
4. 66
5. 11
Part 2: What's the Rule?
1. Add 5
2. Subtract 2
3. Add 7
Part 3: Pattern Puzzles!
1. 11 blocks (The pattern is to add 3 each time: 2, 5, 8, 11)
2. 35 stickers (The pattern is to subtract 5 each day. Monday: 50, Tuesday: 45, Wednesday: 40, Thursday: 35, Friday: 30. The question asks for Friday's total after giving 5 away on Thursday)
Correction: The problem implies the state on Friday. Monday: 50, Tue: 45, Wed: 40, Thu: 35, Fri: 30. The answer is 30.
Correct Answer: 30 stickers (Mon: 50, Tue: 45, Wed: 40, Thu: 35, Fri: 30)
Correction: The problem implies the state on Friday. Monday: 50, Tue: 45, Wed: 40, Thu: 35, Fri: 30. The answer is 30.
Correct Answer: 30 stickers (Mon: 50, Tue: 45, Wed: 40, Thu: 35, Fri: 30)