A bank cash machine has 600 $20 bills. What is the total value of the $20 bill in the machine
What is $ 12,000
100
estimate: 38 x 186
What is 40 x 200 = 8,000
200
Group together
What is cluster
200
50 x 70
What is 3,500
200
52 x 130
What is 6,760
200
A group uses 8 rafts on a white water rafting trip. Each raft carries 14 people. How many people go rafting.
What is 112
200
estimate: 46 x 107
What is 50 x 100 = 5,000
300
The property which states that the grouping of the factors does not change the product
What is associative property
300
500 x 600
What is 300,000
300
420 x 100
What is 42,000
300
A steamboat tour guide makes the 148-mile trip between Birmingham, Alabama, and Chattanooga, Tennessee, four times. Estimate the total number of miles she travels.
What is 150 x 4= 600 mi.
300
estimate: 2 x $6.15
What is 2 x $6= $12
400
The property that states that to multiply a sum by a number, you can multiply each addend by the same number and add the products
What is the distributive property
400
5x 142
What is 710
400
3 x (20 + 4) distributive property: show ALL steps
What is (3 x 20) + (3 x 4) = 60 + 12= 72
400
A Chinese giant salamander weighs about 45 pounds. If 1 pound equals 16 ounces, how many ounces does a Chinese giant salamander weigh?
What is 720 oz
400
estimate: 791 x 9
What is 800 x 9 = 7,200
500
A number that divides into a whole number evenly. Also, a number that is multiplied by another number.
What is a factor
500
8 x 31
What is 248
500
2 x (40 + 1) distributive property: show ALL steps
What is (2 x 40) + (2 x 1) = 80 + 2 = 82
500
Tony's garden is a square 12 feet long. He wants to plant shrubs 4 feet apart around the garden. There will be a shrub in each corner. How many shrubs will he need? (hint:make a drawing)