Year 7 Whole Numbers

Place Value

100

What is the value of the digit 6 in 6,482?

6000

200

Write 4,307 in expanded form.

4,000 + 300 + 7

300

What number is 300 more than 5,648?

5948

400

Round 7,856 to the nearest hundred.

7900

500

A number has 8 thousands, 3 hundreds, 5 tens and 9 ones. What is the number?

8,359

Addition

100

345 + 234 =

579

200

568 + 133 =

701

300

3,789 + 4,567 =

8,356

400

6,847 + 3,956 =

10,803

500

8,769 + 5,874 =

14,643

Subtraction

100

567 − 234 =

333

200

804 − 231 =

573

300

900 − 456 =

444

400

1,002 − 478 =

524

500

2,000 − 867 =

1,133

Multiplication

100

124 × 3 =

372

200

235 × 4 =

940

300

346 × 5 =

1,730

400

46 × 35 =

1610

500

58 × 49 =

2842

Division

100

345 ÷ 3 =  

115

200

428 ÷ 4 =

107

300

572 ÷ 5 = 

114 r2

or

114.4

400

693 ÷ 8 =

86 r5

or 

86.625

500

947 ÷ 6 =

157 r 5 

or 

157.83

BODMAS

100

8 + 4 × 3 =

20

200

24 ÷ 6 + 5 =

9

300

(12 − 4) × 3 =

24

400

20 + 18 ÷ 3 × 2 =

32

500

36 − (8 + 4) × 2 =

12

Prime/Composite

100

Is 7 prime or composite?

Prime

200

Is 15 prime or composite?

Composite

300

List all factors of 18.

1,2,3,6,9,18

400

Which number is prime: 21, 29, 39?

29

500

xplain why 51 is composite.

If has factors 1,3, 17 and 51

Squares and Square Root

100

5² =

25

200

9²

81

300

square root of 64

8

400

Square root of 144

12

500

A square has an area of 225 cm². What is the length of one side?

15cm

Worded Problems

100

A library has 2,345 books. It buys 1,256 more books. How many books does it have now?

3601 books

200

A school ordered 850 pencils. After distributing 378 pencils, how many pencils remain?

472 pencils

300

A carton contains 24 juice boxes. How many juice boxes are in 36 cartons?

864 boxes

400

A farmer has 945 apples and packs them equally into 8 boxes. How many apples are in each box and how many are left over?

118 apples each, 1 left over

500

A camp has 128 students. Each bus holds 24 students. How many buses are needed to transport all students?

6 buses

Challenge

100

A number is rounded to 4,500 when rounded to the nearest hundred and 4,470 when rounded to the nearest ten. What are all the possible numbers?

4,465 to 4,499

200

48÷(3×2)+7²−square root 144

45

300

A school buys 48 boxes of pencils. Each box contains 24 packets, and each packet contains 12 pencils. How many pencils are purchased altogether?

13,824

400

Find the smallest composite number that is a multiple of both 12 and 18.

36

500

246 × 357 =

87,822

negative Numbers

100

−8+15 =

7

200

−12−9 =

-21

300

14 +−23 =

-9

400

−7×−6 =

42

500

−45÷9 =

-5