Decimals
Multiplication
Division
Estimation
Vocabulary
100
What is the name of the place value of the 4 in the number 0.104 ?
thousandths
100
2.58 x 50
129.00
100
What is 127.2 divided by 24?
5.3
100
What are compatible numbers?
Compatible numbers are "friendly" numbers that make estimating a problem easier.
100
What is the total when two or more factors are being multiplied?
Product
200
Solve: 9.65 - 5.456=
4.194
200
What is the product of three and five tenths times one and forty-five hundredths?
3.5 x 1.45 = 5.075
200
1.5 divided by 0.5
3
200
What does 453.5 round to if you are rounding to the nearest whole number?
454
200
What is the number the dividend is being divided by?
divisor
300
Mr. Rios added:
5.890 + 1.666
7.556
300
Jackie earns $6.75 per hour babysitting. She works 5 hours on Friday, and 4 hours on Saturday. What expression could be used to determine her total earnings for those two days.
6.75 x 9
or
6.75 x (5 + 4)
300
Shyenne bought 4 yards of fabric for a total of $38.04. How much was the cost for one yard?
$9.51
300
Estimate the product for 9.456 x 12.8
10 x 13 = 130
300
What is the answer to a division problem?
Quotient
400
Finish the pattern.
7.1,14.3,_ , 28.7
21.5
400
There are 4.5 times as many dots as crosses on the patterned blanket. There are 12 crosses. How many dots are there on the blanket?
4.5 x 12=54
400
How could you use the model below to find the quotient of 2.4 ÷ 4.
You would put the total of 2.4 into 4 groups and see how many tenths are in each group.
0.6
400
Estimate the quotient for 27.4 divided by 9
27.4 / 10 = 2.74
27 / 9 = 3
400
What is the value of the 2 in the number 13.126?
two hundredths
500
Esmeralda went to the movies and spent $2.16 + $4.32 + $6.48 + $8.5 on snacks. What is the sum?
21.46
500
A gumball costs $0.23. How much do 8 gumballs cost?
$1.84
500
Isaiah had a lemonade stand and made $34.50. He sold 138 cups of lemonade. How much did each cup of lemonade cost?
$0.25
500
Estimate the quotient for 34.72 divided by 8.3
32 / 8 = 4
500
What are the steps for multiplying decimals?
1. Estimate
2. Solve without the decimal
3. Place the decimal in the product