Mastering Mathematics 1A

WMPB11033A

Primary

Mastering Mathematics Workbook 1A

Special Features

3 Topical-based practices 3 5 sets of revision papers 3 Challenging questions 3 Complete answers

Topic-By-Topic

Latest

MOE Syllabus

Primary WMPB11033A ISBN 978-981-07-0543-5

Pelangi Publishing Singapore Pte. Ltd.

( 201112597 C )

,!7IJ8B0-hafedf!

Lilian Yeo

mastering maths wb1A.indd 1

8/20/14 2:41 PM

Unit 1

Numbers 0 to 10 ................................................. 1

Unit 2 Number Bonds.................................................... 10 General Revision 1 ........................................................ 14 Unit 3 Addition within 10 .............................................. 19 Unit 4 Subtraction within 10 ........................................... 27 General Revision 2 ........................................................ 36 Unit 5 Shapes and Patterns .......................................... 42 Unit 6 Ordinal Numbers................................................ 48 General Revision 3 ........................................................ 54 Unit 7 Numbers Up to 20 ............................................. 58 Unit 8 Addition and Subtraction within 20 ......................... 63 Unit 9 Length ............................................................ 73 General Revision 4 ........................................................ 78 Final Revision .............................................................. 83 Challenging Questions ................................................... 90 Answers .................................................................... 95 iv

2

Number Bonds

A Fill in the missing number in each box to complete the number

bond.

1.

10

2.

8

3.

7

4.

6

5.

9

10

Mathematics Primary 1A Unit 2 Number Bonds

B Write the number bond for each question below. Then, fill in

the blanks with the correct answers.

1.

6 and

make 6.

and

make 8.

and

make 10.

and

make 9.

and

make 10.

2.

3.

4.

5.

11

Mathematics Primary 1A Unit 2 Number Bonds

C Find all the number bonds for these numbers.

1. (a)

2. (a)

3. (a)

4. (a)

5. (a)

12

4

5

7

6

9

(b)

(b)

(b)

(b)

(b)

4

5

7

6

9

(c)

(c)

(c)

(c)

(c)

4

5

7

6

9

(d)

(d)

(d)

7

6

9

(e)

9

Mathematics Primary 1A Unit 2 Number Bonds

D Fill in the missing number in each box to

complete the number bonds.

1.

3

2.

1

3.

3

1

5.

7.

4.

4

5

7

2

1

1

6.

1 9

2

8.

8

2

9.

2

10 4

10.

0

1

13

1 A Write in words.

1.

1

2.

4

3.

6

4.

7

5.

8

6.

10

B Write the correct number of objects in numerals.

1.

2.

There are the vase.

flowers in

4.

There are the aquarium.

14

calves

feeding from the cow.

3.

There are

goldfish in

There are the tree.

apples on

Mathematics Primary 1A General Revision 1

C Cross out the stated number of objects.

1.

2.

4 3.

5 4.

7

8

D Arrange these numbers in order.

1. Begin with the greatest number.

4

6

10

8

9

1

5

2

3

7

2. Begin with the smallest number. five ten

eight

two

three four

one

zero six

nine

seven

15