Zig Zag Addition & Subtraction
20 + 17 + 47 + 27
111
Cave A = -7°C, Cave B = -3°C. Which is warmer?
Cave B
You collected 575 gems. You want to share them equally among 9 friends. If 5 gems break during distribution, how many does each friend finally get
63 remaining 3
(50 + 30) ÷ 2 + (6 x 2)
52
Does the associative property work for subtraction?
associativity doesn't work.
439 + 259
698
Your health meter is at –5 (poisoned). You drink a healing potion of +12 and then fall into a trap losing 8 points. Later, you find another potion that reverses –4 health points. What is your final health meter?
3 health points
Your team plans to sew 4,136 teddy bears for a winter fair. Each bear needs 8 buttons, two for eyes, two for arms, and four for decoration.
How many buttons does the team need in total?
The team needs 33,088 buttons
(28 + 8) ÷ (4 − 2) × 5
90
Is (3 + 2) + 5 the same as 3 + (2 + 5)? Which property of addition explains this?
Both equal 10,
Associative Property of Addition.
89 - 16 - 30 - 15
28
You’re facing off against a player!
You gain +12 point from defeating a player but then lose 20 points after being hit by another player.
What is your total point change after the battle?
-8 points
You’ve entered a dangerous mine full of surprises—and every step affects your health. You step on a cursed stone that multiplies your damage by –3 × –150. Then, you drink a weak potion that multiplies your healing by 2 × –125. Finally, You defeat a monster that multiplies your reward by –4 × –50. What is the total change in your health after all three events?
400 health points
You are brewing a powerful potion.
You mix ingredients: (12 × 3 – 6 ÷ 2). Then multiplying the result by 2 and subtracting 5.
What is the final magic value of your potion?
(12 × 3 − 6 ÷ 2) x 2 - 5 = 61
You need (12 + 10) x 9 blocks for each tower. You are building 3 towers. How many blocks are needed in total? How can you use the distributive property to simplify the calculation?
594 blocks
984 + 743 - 100 - 75
1552
You earn 124 points from a prize, lose 13 points from a mistake, earn 16 more points for helping someone, and lose 22 points for being late. What is your total point change?
105 points
You have 6 boxes. Each box has 824 pencils. You want to share all the pencils equally among 4 friends. How many pencils does each friend get?
4,944 pencils in total
Each friend gets 1,236 pencils.
You start with 25 items, each costing $8 to move. Then you add 5 more items, also costing $8 each. You split the total cost evenly between 8 teams.
Use PMDAS to figure out how much each team pays.
[(25 × 8) + (5 x 8)] ÷ 8 = $30 per team
Does changing the order in 6 + 4 or 4 + 6 affect the total? Which property of addition explains your answer?
Commutative Property of Addition