Math in Focus Chapter 1: Test Review

Place Value

100

Write 3,405,012 in word form.

Three million, four hundred five thousand, twelve.

200

What is the value of 700× 10³?

700,000

300

Write 5,000,000+300,000+20,000+4,000+600+8

5,324,608

400

A number has 8 millions, 3 hundred-thousands, 2 ten-thousands, 5 hundreds, and 9 ones. What is the number in standard form?

8,320,509

500

What is the 7-digit secret code? All seven digits are different. Use the clues:

• The digit in the millions place is 3.
• The digit in the hundred thousands place is 2 less than the millions digit.
• The digit in the ten thousands place is 4 more than the millions digit.
• The digit in the thousands place is 4 more than the hundred thousands digit.
• The digit in the hundreds place is 3 less than the thousands digit.
• The digit in the tens place is 4 times the hundreds digit.
• The digit in the ones place is 2 more than the hundreds digit.

3,175,284

Multiplying Whole Numbers

100

What is 24×13?

312

200

Find 324×12.

3,888

300

Find 1,256×24

30,144

400

Find 7,324×26.

190,424

500

Find 4,087×35.

143,045

Dividing Whole Numbers

100

Divide 84 by 7.

12

200

 Divide 458 by 12.

38 remainder 2

300

Divide 3,458 by 46.

75 remainder 8

400

Divide 9,017 by 32.

281 remainder 25

500

A school has 2,475 students. If 45 students ride on each bus, how many buses are needed?

55 buses are needed.

Order of Operations

100

18−3×4

6

200

31−6×(8−5)

13

300

72−5×(9−3)

42

400

(36+24)÷6×3

30

500

100−8×(12−7)+18÷3

66

Real World Problems

100

There are 4,200 students at a school assembly. If 70 students sit in each row, how many rows are there?

There are 60 rows.

200

A shipment of rice weighs 143 pounds. It is packed into 20-pound bags. How many full bags can be made, and how many pounds are left over?

There are 7 full bags and 3 pounds left over.

300

A bakery buys 1,125 boxes of flour each month. Each box has 30 bags. How many bags does the bakery buy in 10 months?

The bakery buys 337,500 bags in 10 months.

400

A school buys 236 boxes of markers for $14 per box.

To find the total amount of money that was spent, Maya multiplied 236 x 14 = 3,209.

What should her answer have been if she multiplied correctly?

When she multiplied 236 x 14, Maya should have gotten an answer of $3,304.

500

A school buys 24 boxes of pencils with 8 pencils in each box. It gives 36 pencils to each of 5 classrooms. How many pencils are left?

There are 12 pencils left.