Q1. Jennifer bought 2 pairs of shoes in colors of blue and red, respectively. The total cost of shoes is $25. The pair of blue shoes is $5 more than the red one. How much Jennifer paid for the pair of red shoes?

Q2. Which number should come next in the series? 1, 4, 9, 16, 25

Q3. Kathy had been patching her back yard with a kind of sheet. Every day, the patched space doubles in size. She finished the whole back yard with 10 full days. How many days did it take her to patch half of her back yard?

Q4. The pictures in the box go together by following a pattern. Choose the picture that should go in the empty space.



Choose the correct answer: