a.About how much less is 8.9 x 4.2 than 4.9 x8.2? ?b. Create two decimal multipl
ID: 3096521 • Letter: A
Question
a.About how much less is 8.9 x 4.2 than 4.9 x8.2?
?b. Create two decimal multiplation sentences where the diffrenceis about 8 when you switch the whole numbers apart.
3. the distance around the hamser wheel is 35.9 cm. a) if helebhamster spins the wheel 100 times, wt distance will she travelaruond the weel. b)about how many times would ahe have to cross a3.1 m room to get the same amount of excersize?
4.mason has a 0.05 m length of modelling clay. he puts it in themachine, then he takes the peice that comes out and puts it back inthre machine.how long is the final length of of modelling clay?
in the picture it shows the machine, and shows when the kid firstputs it in the clay it was 1 cm, but when it came out from themachine it was 10 cm.
8.a rectangle has a width of 5.8 cm. It is twice as long as it iswide.whats is its perimeter?
10. chen spent exacly $7.51 on pens and note books.how many pensdid he buy?
Picture-$0.89 for books
ands $o.79 for pens
a.About how much less is 8.9 x 4.2 than 4.9 x8.2?
?b. Create two decimal multiplation sentences where the diffrenceis about 8 when you switch the whole numbers apart.
3. the distance around the hamser wheel is 35.9 cm. a) if helebhamster spins the wheel 100 times, wt distance will she travelaruond the weel. b)about how many times would ahe have to cross a3.1 m room to get the same amount of excersize?
4.mason has a 0.05 m length of modelling clay. he puts it in themachine, then he takes the peice that comes out and puts it back inthre machine.how long is the final length of of modelling clay?
in the picture it shows the machine, and shows when the kid firstputs it in the clay it was 1 cm, but when it came out from themachine it was 10 cm.
8.a rectangle has a width of 5.8 cm. It is twice as long as it iswide.whats is its perimeter?
10. chen spent exacly $7.51 on pens and note books.how many pensdid he buy?
Picture-$0.89 for books
ands $o.79 for pens
Explanation / Answer
1a. Solve the multiplications and compute the difference.
8.9 x 4.2 = 37.38 4.9 x 8.2 = 40.18
40.18 - 37.38 = 2.8
1b. Can you clarify this statement? "when you switch the whole numbers apart"
3a. Since the distance (circumference?) around the hamster wheel is 35.9cm, if the hamster spins 100times, it would have traveled 3590cm or 35.9m.
3b. If x is the number of times then x = 35.9m/3.1m = approx 11.58 times
4. Based on your description of the picture, it seems like the clay increases by 10 every time it goes in. So, if it is 0.05m when it goes in the first time, it will be .5m the first time it goes out. If he puts that back in the machine, it will become 5m. 1a. Solve the multiplications and compute the difference.
8.9 x 4.2 = 37.38 4.9 x 8.2 = 40.18
40.18 - 37.38 = 2.8
1b. Can you clarify this statement? "when you switch the whole numbers apart"
3a. Since the distance (circumference?) around the hamster wheel is 35.9cm, if the hamster spins 100times, it would have traveled 3590cm or 35.9m.
3b. If x is the number of times then x = 35.9m/3.1m = approx 11.58 times
4. Based on your description of the picture, it seems like the clay increases by 10 every time it goes in. So, if it is 0.05m when it goes in the first time, it will be .5m the first time it goes out. If he puts that back in the machine, it will become 5m.
1a. Solve the multiplications and compute the difference.
8.9 x 4.2 = 37.38 4.9 x 8.2 = 40.18
40.18 - 37.38 = 2.8
1b. Can you clarify this statement? "when you switch the whole numbers apart"
3a. Since the distance (circumference?) around the hamster wheel is 35.9cm, if the hamster spins 100times, it would have traveled 3590cm or 35.9m.
3b. If x is the number of times then x = 35.9m/3.1m = approx 11.58 times
4. Based on your description of the picture, it seems like the clay increases by 10 every time it goes in. So, if it is 0.05m when it goes in the first time, it will be .5m the first time it goes out. If he puts that back in the machine, it will become 5m.
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