Math 2 · Unit 1: Numbers to 100 · Cambridge Primary Maths Stage 2

Questions

1. 1. This is a column from the 100 square. Write the missing numbers.

   Fill the blanks with these.

   • 31
   • 21
   • 20
   • 22
   • 71
   • 41
   • 61
   • 51
   • 81
   Check

2. 2. Write the missing numbers.

   Fill the blanks with these.

   • 9
   • 0
   • 6
   • 3
   • 4
   • 2
   Check

3. 3. Write the missing numbers in the top row.

   Fill the blanks with these.

   • 26
   • 20
   • 22
   • 23
   • 29
   • 27
   • 31
   • 28
   • 24
   Check

4. 4. Write the missing numbers.

   Fill the blanks with these.

   • 20
   • 80
   • 70
   • 60
   • 110
   • 40
   • 90
   • 30
   • 15
   Check

5. 5. Which 2-digit numbers are represented? The ten-frames show the first number; the rods and cubes show the second.

   • 42 and 38
   • 6 and 11
   • 24 and 38
   • 24 and 83
   Check

6. 6. This shows 41 as 40 and 1. Which is a different way to show 41?

   • 30 + 11
   • 14
   • 40 + 11
   • 4 + 1
   Check

7. 7. Write the missing numbers.

   Fill the blanks with these.

   • 8
   • 3
   • 0
   • 9
   • 7
   • 6
   • 5
   Check

8. 8. Here is a column from a 100 square. Write the missing numbers.

   Fill the blanks with these.

   • 34
   • 64
   • 84
   • 44
   • 54
   • 24
   • 15
   • 94
   • 14
   Check

9. 9. How are 23 and 32 the same, and how are they different?

   • Both have 2 tens, but 23 has 3 ones and 32 has 2 ones
   • They are the same number written two ways
   • Both use the digits 2 and 3, but 23 is 2 tens and 3 ones and 32 is 3 tens and 2 ones
   • Both have 3 ones, but 23 has 2 tens and 32 has 3 tens
   Check

10. 10. Here are some pieces of a 100 square. Write the missing numbers.

    Fill the blanks with these.

    • 43
    • 27
    • 38
    • 36
    • 47
    • 57
    • 17
    • 33
    • 44
    Check

11. 11. Here is a mostly blank 100 square. Write these numbers in the correct places. 37 81 53 90 75 46 69

    Fill the blanks with these.

    • 53
    • 46
    • 37
    • 18
    • 81
    • 75
    • 69
    • 73
    • 90
    Check

12. 12. Use the digit cards to make 6 different 2-digit numbers. Write these numbers in the correct places in the 100 square.

    Fill the blanks with these.

    • 42
    • 45
    • 26
    • 24
    • 84
    • 28
    • 82
    • 48
    Check