Word Problems
Zero Hero
Estimate Products
Partial Products
Partial Products Part Two
1
There are 36 bags filled with coins. There are 90 coins in each bag. How many coins are there in all?
What is 3,240
1
30 × 30 =
What is 900
1
Estimate the product. Round the first factor to the nearest tens, and then multiply. 65 × 8
What is 560
1
What are the partial products of 39 x 38 =
What is 30x30 = 900, 30x8 = 240, 30x9=270, 8x9=72
1
Look at these numbers: 3 4 7 10 Which two numbers in the box have a product of 40?
What is 4 and 10
2
Each boulder weighs 20 pounds. How many pounds do 76 boulders weigh all together?
What is 1,520
2
200 × 20 =
What is 4,000
2
Estimate the product. Round the first factor to the nearest hundred, and then multiply. 299 × 9
What is 2,700
2
What is the partial product of 29x5=
What is 20x5=100, 9x5=45
2
Look at these numbers: 2 8 9 10 Choose two numbers from the box to complete the multiplication sentence. _______ x______ = 72
What is 8 and 9
3
A chain of coffee shops ordered 60 boxes of sugar packets. Each box contained 88 packets of sugar. How many sugar packets in total did the chain of coffee shops order?
What is 5,280
3
50 × 400 =
What is 20,000
3
Estimate the product. Round the first factor to the nearest hundred, and then multiply. 232 × 9
What is 1,800
3
What is the partial product of 12x57=
What is 10x50=500, 50x2=100, 7x10=70, 7x2=
3
Look at these numbers: 4 7 8 12 Choose two numbers from the box to complete the multiplication sentence. _____×______= 56
What is 7 and 8
4
Johnny bought 33 boxes of chocolates. There were 65 chocolates in each box. How many chocolates did Johnny buy?
What is 2,145
4
40 × 8,000 =
What is 320,000
4
There are 87 students in the poetry club. Last year, each student wrote 85 poems. About how many poems did the students in the club write in all?
What is 8,100
4
What are the partial products of 39x88=
What is 80x30=2,400, 80x9=720, 8x30=210, 8x9=72
4
Look at these numbers: 60 6 3 12 What are the 2 numbers that make the partial product of: 63
What is 60 and 3
5
A cheesemaker sold 67 big wheels of cheese for $54 each. How much money did the cheesemaker receive in total?
What is 3,618
5
900 × 80 =
What is 72,000
5
Each extension cord is 52 feet long. What is the total length of 97 extension cords? Choose the best estimate.
What is 5,000
5
What are the partial products of 55x23=
What is 50x20=1,000, 50x2=100, 7x10=70, 7x2=14
5
Look at these numbers: 9 90 11 10 Choose two numbers from the box to complete the multiplication sentence. × = 99
What is 9 and 11