Math 1A Workbook Exercise 12-13 Singapore Part 2

1A Workbook Exercise 12-13

 

Exercise 12

 

1. Fill n the blanks (Look at the picture and fill in the blanks).

(a) There are ___ big boxes. There are ___ small boxes. There are ___ boxes altogether.

(b) There are ___ boys. There are ___ girls. There are ___ children altogether.

(c) There are ___ black cats. There are ___ white cats. There are ___ cats altogether.

Solution:

(a) There are 3 big boxes. There are 4 small boxes. There are 7 boxes altogether.

(b) There are 4 boys. There are 4 girls. There are 8 children altogether.

(c) There are 2 black cats. There are 4 white cats. There are 6 cats altogether.

 

2. Fill in the blanks (Look at the picture and fill in the blanks).

🥤🥤   🥤🥤🥤

🐟🐟🐟🐟🐟   🐟🐟🐟🐟

🥚🥚🥚   🥚🥚🥚🥚🥚🥚🥚

🕴🕺🕴🕺  👫👫

(a) There are ___ cups altogether.

(b) There are ___ fish altogether.

(c) There are ___ eggs altogether.

(d) There are ___ people altogether.

 

Solution:

(a) There are 5 cups altogether.

(b) There are 9 fish altogether.

(c) There are 10 eggs altogether.

(d) There are 7 people altogether.

 

Exercise 13

 

1. Fill in the blanks (Look at the picture and fill in the blanks).

(a) There are 3 flowers in the vase. Add ___ more. There are ___ flowers altogether.

(b) There are 8 balls in the basket. Add ___ more. There are ___ balls altogether.

(c) There are 4 fish in the bowl. Add ___ more. There are ___ fish altogether.

(d) There are 5 beads on the string. Add ___ more. There are ___ beads altogether.

 

Solution:

(a) There are 3 flowers in the vase. Add 2 more. There are 5 flowers altogether.

(b) There are 8 balls in the basket. Add 1 more. There are 9 balls altogether.

(c) There are 4 fish in the bowl. Add 3 more. There are 7 fish altogether.

(d) There are 5 beads on the string. Add 4 more. There are 9 beads altogether.