3. Jack made 25
birdhouses. Jill made
49 birdhouses. They
sold 63 birdhouses at
their store. How many
birdhouses do they have
left?

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?

F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2