1
Math
Math
What is the value of 8 in the number below?
45.058
8 thousandths
What is the pattern in the numbers below:
2,4,8,16,32,64,128
multiply by 2
Is this equation correct? Explain.83 × 104 = 83,000
The equation is incorrect. The product should have 4 zero
Sarah has 214 bags of beads. Each bag has enough beads for 22 bracelets. She estimates that since 200 × 20 = 4,000, there are enough beads for at least 4,000 bracelets. Tell how you can critique Sarah’s reasoning
Different Answers
Expressions that are equal to 7 × 104
728
12 × 104
12,000
3,583+9,282=
12,856
37x58=
2, 146
9,168 + 2,915
12,083
Alexandria has a collection of 34 dolls. A toy store has 15 times as many dolls as Alexandria. How many dolls are in the store? What is the equation?
34 x 15 = 510
Describe how to critique someone's work
I can ask questions for clarification, decide if the strategy used makes sense, and looking for flaws in estimates or calculations.
The West Rock School District ordered 118 cartons of math books. The books were shipped in cartons that each held 36 books.
Estimate the total number of math books in the shipment. What is the equation?
100 x 40
0.004 x 103
4
Malaysia orders 335 chocolate bars. They come in 5 boxes. How many candy bars are in each box?
67
0.04 x 102
4
A musical is playing at a theater that has 628 seats. How many tickets are available for 33 shows?
20,724
Use <,>,or = to compare:
3.45___ 3.045
>
Dadrian has $378. He has 3 times as much money as Crystin. How much money does Crystin have?
$126
What is the place value of the 4 in 3,427,891?
Hundred thousands place
76 x 9
684
What place value is the 8 in 9.084?
Hundredths
What is 2,015 x 8
16,120
Find the difference: 4,589-2,588
2,001
14.8 - 3.2
11.6
What does power mean
is an expression showing repeated multiplication,
What is 81 x 54?
4,374
43 × 102
4,300
What is the expression?
15 minus the sum of 6 and 7
15 - (6+ 7)
Use <,>,or = to compare:
1.2 ___ 1.200
=
Did you calculate an overestimate or an underestimate?
By rounding up or down