Problem Solvers Lab
There are 3 packs of markers with 12 in each pack. How many markers total?
Answer: 36
What is the value of the 7 in 47,382?
Answer: 7,000
34 × 2 = ?
Answer: 68
What comes next: 5, 10, 20, 40, ___
Answer: 80
You have $5. You buy a snack for $3. How much is left?
Answer: $2
Jada had 45 stickers. She gave 18 away and then bought 27 more. How many does she have now?
Answer: 54
Which is greater: 58,409 or 58,490?
Answer: 58,490
456 + 278 = ?
Answer: 734
Find the missing number:
12, __, 36, 48
Answer: 24
School starts at 8:15 and ends at 2:45. How long is the school day?
Answer: 6 hours 30 minutes
A teacher bought 5 boxes of crayons with 24 crayons in each box. She gave 36 crayons to students. How many are left?
Answer: 120 − 36 = 84
Round 67,382 to the nearest thousand.
Answer: 67,000
32 × 14 = ?
Answer: 448
(TRUE/FALSE)
All even numbers are divisible by 2.
Answer: True
How many inches are in 3 feet?
Answer: 36 inches
A store sold 6 packs of juice with 8 bottles in each pack. 15 bottles were already sold earlier. How many bottles were sold total? Explain your steps.
Answer: (6×8)=48, then 48+15=63
Which number is closer to 90,000: 89,450 or 90,600? Explain.
Answer: 90,600 (600 away vs 550 away? WAIT check → 89,450 is 550 away, so actually closer)
✔ Correct Answer: 89,450
(18 × 2) + 12 = ?
Answer: 36 + 12 = 48
MULTIPLE ANSWERS)
I am a number between 20 and 40. I am divisible by 5. What numbers could I be?
Answer: 25, 30, 35
You have $50. You buy 2 shirts for $15 each. How much is left?
Answer: $20
A farmer has 20 cows and 15 chickens. How many legs are there total?
Answer: (20×4)+(15×2)=80+30=110
Create a number that rounds to 50,000 but is NOT 50,000. Explain.
Answer: Any number 45,000–54,999 (example: 52,341)
A student solved:
56 × 12 = 512
What did they do wrong? Fix it.
👉 Answer: They didn’t multiply both digits correctly
Correct: (56×10=560) + (56×2=112) = 672
I am a number:
Answer: 64
You have $100.
Do you have enough money?
If not, how much more do you need?
3×18 = 54
54 + 45 = 99
✔ YES, $1 left