Find the Missing Part
Anthony's drive to school is usually 15 minutes. After driving for a while, he looks at the time to see he's been driving for 12 minutes. How much longer will he need to drive to get to school?
3 minutes!
Gadzooks! Seth has 8 hamsters in his room. He plans on adopting 4 more. How many hamsters will be in his room?
12!
Ruth is having a pizza party in class today! She buys half a dozen boxes of pizza. How many boxes are there?
6!
Near-doubling
Amy goes to the store with a $40 budget. Her kids persuade her to spend $8 on some cool stickers. How much money is left over?
32!
It's Morgan's lucky day! She found $25 on the ground, adding to her textbook fund of $9. How much money is in Morgan's textbook fund?
$34!
Mike makes a bet with his friend. He bets that every time the Maple Leafs get their tushes whooped, his friend has to give him $3. The Maple Leafs got whooped 8 times (so far). How much money did Mike make?
24! (sorry max)
To figure out 13+9, Alisa visualizes a 5x4 grid. Out of the 20 squares, 13 spots have a counter inside them. She imagines 7 counters filling in the empty squares on the grid, leaving her 2 counters left over. The two remaining counters plus the 20 in the grid give her 22 counters total. What strategy did she use?
Arrays!
Kaitlyn is giving out cappuccino candies and will not take no for an answer. There are 35 left in the bag, and she gives away 11 more. How many are left?
24!
Max is going on vacation! His luggage must weigh under 50 lbs, or else he cannot board the plane. His bags only weigh 31 lbs. He decides to bring every textbook he has ever owned, adding 19 lbs to his total luggage weight. Will Max be able to board the plane?
No (remember the luggage must be UNDER 50 lbs)
The entire Cohort is going bowling. If all 37 of us choose to go, how many bowling shoes will we need to rent?
74 shoes!
Chris is a math genius. He magically knows that because 18+9=27, then 9+18=27. He also knows that because 7x3=21, then 3x7=21. What math property is Chris using to showcase his epic math skills?
Commutative Property!