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

Questions

1. 1. Write the missing numbers: drag a number into each empty box.

   Fill the blanks with these.

   • 70
   • 30
   • 100
   • 90
   • 40
   • 60
   • 20
   • 50
   • 80
   Check

2. 2. Which tens number is 1 ten more than 8 tens?

   • 81
   • 70
   • 90
   • 80
   Check

3. 3. Which tens number is 1 ten fewer than 6 tens?

   • 70
   • 60
   • 50
   • 59
   Check

4. 4. Sofia and Zara make a number. Sofia chooses the tens. Zara chooses the ones. Write the number they make in a part whole diagram.

   Fill the blanks with these.

   • 70
   • 5
   • 7
   • 75
   • 57
   Check

5. 5. Sofia and Zara make a number. Sofia chooses the tens. Zara chooses the ones. Write the number they make in a part whole diagram.

   Fill the blanks with these.

   • 39
   • 9
   • 93
   • 30
   • 3
   Check

6. 6. Sofia and Zara make a number. Sofia chooses four tens. Zara chooses zero ones. Write the number they make in a part whole diagram.

   Fill the blanks with these.

   • 400
   • 40
   • 0
   • 4
   Check

7. 7. Arun scoops some stones out of a tray. How many stones does he scoop out?

   • 20
   • 27
   • 72
   • 37
   Check

8. 8. How many cubes are in the collection? Which estimate is closest?

   • 20
   • 100
   • 10
   • 50
   Check

9. 9. Sofia counts 100 beads in twos. Tick the 5 numbers she said.

   Tick all the right answers.

   • ☐ 24
   • ☐ 59
   • ☐ 36
   • ☐ 42
   • ☐ 17
   • ☐ 78
   • ☐ 12
   Check

10. 10. Write the tens numbers in order, from 100 to 10: drag a number into each empty box.

    Fill the blanks with these.

    • 80
    • 90
    • 50
    • 70
    • 40
    • 30
    • 95
    • 20
    • 60
    Check

11. 11. Marcus and Arun make some numbers. Marcus chooses the tens. Arun chooses the ones. They make 53 and 87. Drag the numbers into the boxes: how many tens does Marcus choose, and how many ones does Arun choose?

    Fill the blanks with these.

    • 3
    • 8
    • 87
    • 53
    • 5
    • 7
    Check

12. 12. How many beans are in the collection? Which estimate is closest?

    • 10
    • 100
    • 20
    • 50
    Check

13. 13. Tick the 2 correct sentences.

    Tick all the right answers.

    • ☐ An even number of objects can be sorted into 2 equal groups.
    • ☐ 2 more than an odd number is always an odd number.
    • ☐ Numbers with 1, 3, 5, 7 or 9 ones are even numbers.
    • ☐ 0 is an odd number.
    Check

14. 14. How many large spots and how many small spots are there in the two boxes?

    • 20 large and 50 small
    • 21 large and 38 small
    • 21 large and 48 small
    • 48 large and 21 small
    Check