Standard Algorithm
Reasonable/Estimate
Extra/Not Enough Information/ Two Step Problems
Expanded Algorithm/ Partial Product
Vocabulary
100
Topic Test 9 #2
Kayla sent 41 text messages last month. Her older brother sent 4 times as many. How many text messages did Kayla's brother send?
A. 174
B. 164
C. 161
D. 160
B. 164
100
Topic 8 #4
There are 2 shelves of canned peaches and 3 shelves of peas in a grocery store. Each shelf holds 38 cans. About how many cans of peaches and peas does the store have?
A. About 240
B. About 200
C. About 120
D. About 140
B. About 200
100
Topic 9 #3
Linnea can cut 4 pieces of paper for an art project in one minute. Linnea's sister has cut 20 pieces of paper already. How many pieces of paper can they cut in 1 hour.
A. 4
B. 80
C. 210
D. There is not enough information
D. There is not enough information.
We don't know how much Linnea's sister can cut in one minute.
100
Topic 9 #1
Movers are stacking 3 boxes high and 17 boxes across. What partial products would you use to find how many boxes the movers have stacked? Use the array on your paper to help.
A. 3, 21
B. 10, 21
C. 30, 21
D. 25, 26
C. 30, 21
100
Products found by breaking one factor in a multiplication problem into ones, tens, and hundreds and then multiplying each of these by the other factor are called ____________.
Partial Product
200
Topic 9 #4
Eddie and Will both found 73 x 6. Who's answer is correct? Use the pictures on your paper to help.
A. Eddie
B. Will
C. Both
D. Neither
A. Eddie
Will should've put 420 as his partial product.
200
Topic 8 #5
Keisha wants to find how many counters are in 7 rows, with 32 counters in a row. She substitutes 30 for 32 by subtracting 2 from 32. Then she finds 7 x 30 = 120. What should she do next?
A. Add 7 groups of 2 to 210
B. Subtracts 7 groups of 2 from 210
C. Adds 2 to 210
D. Subtracts 2 from 210
A.
200
Topic 9 #6
Sean is 36 inches tall. His dad is twice as tall. Sean's sister is 52 inches tall. How much taller is Sean's dad than Sean's sister?
A. 16 inches
B. 20 inches
C. 72 inches
D. There is not enough information
B. 20 inches
200
Topic 9 #10
Matt is finding 55 x 9 using an expanded algorithm. His work so far is shown. What is the other partial product?
A. 45
B. 54
C. 360
D. 450
D. 450
200
The answer to a multiplication equation is called a ________.
Product
300
Topic 9 #5
Kristen bought 6 chairs at a furniture sale. Each chair cost $24. How much did she spend on the 6 chairs?
A. 144
B. 124
C. 120
D. 36
A. $144
300
Topic 8 #8
A-1 Bakery sold 54 loaves of bread. Best Bakery sold 4 times as many loaves of bread. Jane says that together, they sold 216 loaves. Is Jane's answer reasonable?
No
300
Topic 9 #9
Jane had 4 packs of blue paper with 54 sheets each. She used 126 pieces of the paper. How many pieces are left?
90
300
Topic 9 #12
One partial product for 22 x 4 is 80. The other partial product is 8. What is the product of 22 x 4?
88
300
Rounding a number to make the computation easier and then adjusting the answer for the number chosen is called _____________.
Compensation
400
Topic 9 #8
What is the product of 4 x 27? Use the array on your paper to help solve.
108
400
Topic 8 # 9
David bought 3 red shirts for $11 each and a duffel bag for $38. Use rounding to estimate how many dollars David spent.
70
400
Topic 9 # 11
An orchard has 6 times as many cherry trees as apple trees. If there are 39 peach trees and 29 apple trees, how many cherry trees are there?
174 cherry trees
400
Topic 8 #12
Ann is finding 8 x 30. She uses a shortcut and writes a 0 onto the product of a basic fact she sees in the problem. What is the product of the basic fact?
24
400
Two ______ are multiplied together to get a product. 
Factors
500
Topic 8 #2
Jay bought 3 boxes of blue craft sticks and 4 boxes of green craft sticks for a project. Each box has 30 craft sticks. How many craft sticks did Jay buy?
A. 240
B. 210
C. 120
D. 21
B. 210
500
Topic 8 #10
Toni has 45 nickels. She says she can buy a mug for $3. Which is the best estimate to help you decide if Toni's statement is reasonable?
A. 45 round to 40. 3 x 40 = 120, so Toni has about 120 cents, or $1.20
B. 45 rounds to 40. 5 x 40 = 200, so Toni has about 200 cents, or $2.00
C. 45 rounds to 50. 3 x 50 = 150, so Toni has about 150 cents, or $1.50.
D. 45 rounds to 50. 5 x 50 = 250, so Toni has about 250 cents, or about $2.50.
D.
500
Topic 8 #1
Sydney does 12 pushups every day. Brandon does twice as many pushups as Sydney each day. How many pushups do they both do in 4 days?
A. 36
B. 48
C. 96
D. 144
D. 144
500
Topic 8 #6
Beau drew the array below to help him find 4 x 28. Which shows the partial products he could use to find the product? (Use the array on your paper to help)
A. 4 x 2 = 8 and 4 x 8 = 32
B. 4 x 20 = 80 and 4 x 8 = 32
C. 4 x 10 = 40 and 4 x 8 = 32
D. 4 x 20 = 80 and 2 x 8 = 16
B. 4 x 20 = 80 and 4 x 8 = 32
500
The product of a given number and another factor multiplied together are called _________.
4 x 2 = 8 <---
4 x 3 = 12 <---
Multiple