Operations and Algebraic thinking
What an equation that matches this situation: "There are 7 boxes with 3 toys in each box. Three toys are removed from the total."
7×3−3
Write the symbol to make the statement true.
2/3 ________ 3/8
2/3 ____>____ 3/8
Write the decimal fraction in expanded form: 154.36
100+ 50 + 4 + 0.3+ 0.36= 54.36
It takes Mark twice as long to do his math homework as it does to do his spelling homework. If it takes him 18 minutes to do his math, which equation shows how long it takes to do his spelling?
18x2=36
Jane is making muffins. She needs of a cup of blueberries for each batch. She is making 4 batches of muffins. How many cups of blueberries will she need?
1 1/3 cups
Describe a acute angle. Draw a representation of it.
Describe a obtuse angle. Draw a representation of it.
Describe a right angle. Draw a representation of it.
acute- less than 90 degrees
obtuse- greater than 90 degrees
right- exactly 90 degrees
Which algebraic rule describes the pattern below?
2, 4, 3, 6, 5, 10.....
Multiply by 2, then subtract 1
On a field trip the 4th graders hiked on the path around Circle Lake 8 times. The path around Circle Lake is of a mile. What distance did the 4th graders hike in all? Please explain your answer using words, pictures, or numbers.
4 4/5 miles
The number of shells that Tyrone collected at the beach is a prime number between 30 and 50. Which number below could be the number of shells he collected?
47
At a frog jumping contest Maribel’s frog jumped 0.75 of a meter, Sabel’s frog jumped 0.09 of a meter, and Leslie’s frog jumped 0.8 of a meter. Whose frog went the furthest?
Leslie's frog
Mrs. Booker’s class is going to the fair. It costs $18 for adult tickets and $12 for student tickets. There are 25 students and 9 adults going. They have $400 in their field trip fund. Do they have enough money to pay for the tickets? Explain your answer.
No, they do not have enough money.
The cost of the adult tickets is $162 ($18 x 9 = $162) and the cost of the children’s tickets is $300 ($12 x 25 = $300). The total cost of the tickets is $462 which is more than $400. They need $62 more dollars.
Jarod is adding 3 2/6 and 7 5/6. He uses these steps to find the sum.
1. 3+7=10
2. 2/6 + 5/6= 7/12
3. 10 + 7/12= 10 7/12
Is his final answer correct? Explain.