what shape has 3 equal sides?
equilateral triangle
Round 772
800
Is 45 a multiple of 9?
Yes, because 9 x 5 = 45
Describe the probability: "It will rain meatball tomorrow".
Impossible
(23, 28) (Rule: Add 5)
Sara bought a notebook for $4.50 and a pen for $1.25. How much did she spend in total?
$4.50 + $1.25 = $5.75
What shape has 4 equal parts?
Square
A school orders 83 pizza rolls, and each student wants 9. Estimate the total needed.
80x10 = 800 pizza rolls
9,168 + 2,915
12,083
A spinner has 4 red sections, 2 blue sections, and 2 green sections. What is the probability of landing on blue?
2/8 or 1/4 (Total sections: 8, Blue sections: 2)
85, 80 (Rule: Subtract 5)
Tyler has a $20 bill. He buys a game for $12.50. How much change does he receive?
$20.00 - $12.50 = $7.50
How many lines of symmetry does a rectangle have?
4 lines
A farmer picks 35,250 apples and sells 4,339. About how many apples are left? (Round to the nearest thousand)
35,000 - 4,000 = 31,000
199 x 4
796
If you roll a 6-sided die, what is the probability of rolling an odd number (1, 3, or 5)?
3/6 or 1/2
Answer: 13 (Rule: Add 3)
A pizza costs $15, but Sophie only has $9. How much more money does she need?
$15 - $9 = $6
Sarah has a ribbon that is 2 yards long. How many inches long is her ribbon?
72 inches, because 1 yard = 36 inches
Estimate 489 + 312 by rounding to the nearest hundred.
500 + 300 = 800
What is 91 x 75?
6,825
If a jar has 100 yellow jellybeans, what is the likelihood of picking a yellow one?
100%
170, 160 (Rule: Subtract 10)
$20.00 - $5.40 = $14.60
Amy is serving apple pie to her friends. She serves ¾ of the pie. What fraction is left?
1/4
estimate 3,567 + 4,892
3,000 + 4,000 = 7,000
123 members of the art club are taking a trip to an art gallery. Each van can hold 9 members. How many vans will the art club need for every member to attend?
They will need 14 vans.
A bag contains 50 marbles: 28 red and 22 blue. If you pick a marble at random, what is the probability of picking a red one?
28/50 or 14/25
Find the missing number: 100, 90, 80, ___, 60
70. The rule is (-10)
Four friends go out for ice cream and the total bill is $12.80. If they split the cost equally, how much does each person pay?
$12.80/4 = $3.20