Text book and other shortfalls

Question 1

Round off 723 to the nearest 100

Answer 1

700

Question 2

Round off 246 to the nearest 10

Answer 2

250

Question 3

On a piece of paper, use the long method to add these 2 numbers.
234 and 627

Answer 3

234
+627
861

Question 4

On a piece of paper, use the long method to subtract 123 from 456

Answer 4

456
- 123
333

Question 5

On a piece of paper, use the long method to subtract 389 from 678. Hint…you will need to “borrow”

Answer 5

678
-389
289

Question 6

If Adam spent R2,35; R1,90 and R4,15 on sweets. How much did he spend on sweets altogether? You need to show your working out for these, remember!

Answer 6

R2,35 + R1,90 + R4,15 =

R2,35
R1,90
R4,15
R8,40

He spent R8,40 on sweets

Question 7

Halve this number

354

Answer 7

354
300 50 4
150 25 2
177

Question 8

double this number

464

Answer 8

464
400 60 4
800 120 8
928

Question 9

What is the name we give to all 2D shapes with 4 straight sides?

Answer 9

Quadrilaterals

Question 10

How many sides does a hexagon have?

Answer 10

6

Question 11

If Emma, Karen, Matt, Joe , Adam, Finn and Chris all got R25 pocket money per month. How much poorer will all their parents be together at the end of one month?

Answer 11

R25 X 7
R20 x 7 = 140
R5X7 = 35
R175
Their parents will be R175 poorer

Question 12

How many sides does a dodecagon have?

Answer 12

12

Question 13

How long is a century?

Answer 13

100 years

Question 14

How long is a decade?

Answer 14

10 years