Decimal Jumps
Fill in the blank:
When we multiply, we slide the decimal to the ____ and digits to the ____ but when we say divide, we slide the decimal to the _____ and digits to the ____
Right, left, left, right
write 0.249 in unit form
0 ones
2 tenths
4 hundredths
9 thousandths
What inequality symbol should you use to compare:
0.3 ___ 0.002
>
35 thousandths + 8 thousandths=
43 thousandths
Which is reasonable? Explain how you know
2.5 x 4= 100
9 x 5.48= 49.32
8 x 6.022= 481
9 x 5.48 = 49.32
0.345 x 100
34.5
Express 24.357 in words
twenty-four and three hundred fifty-seven thousandths
Round 32.697 to the nearest tenth and hundredth using a decomposition chart or vertical numberline
tenth: 32.7
hundredth: 32.7
7.32+2.894=____
10.214
4 copies of 4.65 =
18.6
0.20 divided by 10
Express 27.346 in expanded for
20 + 7 + 0.3 + 0.04 + 0.006
Arrange the numbers in decreasing order:
3.049 3.059 3.05 3.04
3.059, 3.05, 3.049, 3.04
8 ones 9 hundredths - 3.4=______
4.69
Draw an area model to find the answer for 7 x 3.12
21 ones 0.7 tenths 0.14 hundredths
21.84
What is the conversion rate for meters to cm?
1m=100cm
Write eight hundred and five thousandths in expanded notation using fractions and decimals
(8 x 100) + (5 x 0.001)
(8 x 100) + (5 x 1/1,000)
What inequality symbol should you use to compare:
202 hundredths ____ 2 hundreds and 2 thousandths
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A pen costs $2.09. It costs $0.45 less than a marker. Ken paid for one pen and one marker with a $5 bill. Determine his change.
$0.37
2.64 divided by 2
1.32
A student used his place value chart to show a number. After the teacher instructed him to multiply his number by 10, the chart showed 3,200.4
Draw a picture of what the pv chart looked like at first
320.04
Write three thousand six hundred two and thirty-four hundredths in standard form
3,602.34
James measured his hand and it was 0.17 meters. Jennifer measured her hand and it was 0.165 meters. Whose hand is bigger and how do you know?
James, when you line the numbers up vertically, 7 is greater than 6
5.622- 3 hundredths=____
5.592
12.48 milliliters of medicine were separated into doses of 4mL each. How many doses were made? What key word tells you what operation to do?
3.12
separated