Topic 1
Write 321 in expanded form.
300+20+1
Round 45,952 to the nearest thousand
46,000
Fill in the blank:
_________ x Factor = Product
Factor
Solve 34 x 21 using an area model.
714
Lucas baked 18 dozen chocolate chip cookies and 17 dozen peanut butter cookies. About how many cookies did Lucas bake?
about 400 cookies
Compare 553,000 and 535,841 using <, =, or >
553,000 > 535,841
Find the answer to 672 + 582 by estimating.
1,250 (tens) OR 1,300 (hundreds)
Solve 325 x 3 using a bar diagram or area model.
Display will vary.
Answer: 975
Solve for y:
60 x y = 1,800
y = 30
Mrs. Berkas bought 2,999 pencils at the beginning of the year. Throughout the year, her students used 1,843 pencils. How many did she have left?
1,156 pencils
Kim wrote 57,604 in expanded form. What is the third number she wrote in the expression?
600
Solve 3,462 - 2,590 by rounding to the nearest hundred.
900
Solve 4 x 3,959 using the distributive property. Estimate to see if your answer is reasonable.
15,836
Estimate: 4 x 4,000 = 16,000
The answer is reasonable.
Each year, Rochelle bakes pies to donate to a shelter. Throughout the year, she baked 22 pumpkin pies, 35 apple pies, and 17 blueberry pies. Each pie was cut into 10 equal slices. How many slices of pie did Rochelle donate to the shelter?
740 pieces of pie
Solve 7 x 2,532,861 using any method you choose.
17,730,027
Which place value do you use to compare 437,812 and 432,812
thousands
Three houses at the end of the street compete every year to see who has the best Christmas light display. The first two houses each have 3,541 lights. The third house has 4,456 lights. How many lights do they have in all?
11,538 lights
How many zeros will be in the product of 4 × 500? Explain
3, because the product of 4 and 5 is 20, which ends in one zero, and the two zeros from the 500 will be in product... totaling in 3 zeros.
List the partial products of 45 x 23.
800, 120, 100, 15
Angela’s model used 4 times as many blocks as Miranda’s model. Miranda’s model used 168 blocks. George’s model used 592 blocks. Who used more blocks, Angela or George? Explain.
Angela, because she used 672 blocks, which is more than the 592 blocks George used.
List the names of all the place values you see a 7:
7,473,707
millions, ten-thousand, hundred and ones
The table shows the number of movie tickets sold during four weeks at the theater. How many more tickets were sold the first week than in the third and fourth weeks combined?
Movie Tickets Sold
Week 1: 221,671
Week 2: 174,002
Week 3: 98,653
Week 4: 41,208
81,810 movie tickets
What are the partial products of 5 x 612?
3,000, 50 and 10
Solve for f:
56 x 34 = f
f = 1,904
The longest ladder on the fire truck reaches 95 feet. A building has 20 stories, and each story is 18 feet high. What is the highest story that the ladder can reach?
Hint: draw a visual
5th Story