Here are the solutions to the exercises:
1. Fill in the blanks:
- a) 25=2 tens + 5 ones
- b) 4×4=16
- c) 17+3=20
- d) 22−11=11
- e) How many tens are there in 25: 2
- f) 19 comes before 20
- g) 23 lies between 22 and 24
2. Write TRUE or FALSE:
- a) The greater of 1 and 4 is four. TRUE
- b) 4<5 ones. TRUE
- c) Ten + 10 = 25 FALSE
- d) 2 must be added to 5 to make 7. TRUE
- e) 3 does not lies between 4 and 5. TRUE