Class 1
Mathematics
Mathematics Basic 1
Complete the addition and related subtraction sentences
1) 13 + [ ] = 18 -->18 -13=[. ]
2) 9 + [. ] = 11--> 11 - 9= [. ]
3) 16 + [. ] = 19 --> 19 - 16=[. ]
4) 12 + [. ] = 15 --> 15 - 12 = [. ]
5) 18 + [. ] = 24 --> 24 - 18 = [. ]
6) 7 + [. ] = 14 --> 14 - 7 = [. ]
Subtract the following
7) 18 - 6 = .......
8) 30 - 3 = .......
9) 22 - 4 = .......
10) 19 - 5 = ........
11) 14 - 8 = .........
12) 33 - 11 = ........
Word problem addition and subtraction
13) What is the sum of 20 and 19 ? .........+........=........
14) What is the sum of 18 and 10? .......+......=......
15) What is the difference between 17 and 4?.......-......=......
16) From 30 take away 18. ........-........= .......
Draw four 2D shapes.
17.
18.
19.
20.
Basic 1
Mathematics
Use less than, more than or equal to.
1. 98 is ______________________ 89
2. 100 is ____________________ 100
3. 67 is ______________________ 67
4. 99 is ______________________ 90
5. 78 is ______________________ 87
Find the missing addends.
6. 18 + ______ = 29
7. 15 + ______ = 30
8. 12 + ______ = 25 25 - 12 = ______
9. 14 + ______ = 27 27 - 14 = ______
10. 16 + ______ =32 32 - _____ =16
Write these figures in words
11. 99 = _______________________________________
12. 66 = _______________________________________
13. 100 = _______________________________________
14. 85 = _______________________________________
15. 77 = _______________________________________
Add the following numbers
16. 17 + 17 = _____ 17. 20 + 15 = _____
18. 19 + 15 = _____ 19. 11 + 9 = _____
20. 10 + 18 = _____