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Worksheet: Using Place Value to Add Tens to Two-Digit Numbers

Q1:

All the robots have been working hard to make new numbers. Which multiple of 10 have they added?

  • A30
  • B50
  • C40

Q2:

Elizabeth is making a road with red blocks and blue blocks. She needs 52 blocks altogether.

Which group of red and blue blocks will make 52?

  • A 5 0 + 1 2
  • B 1 0 + 3 2
  • C 3 0 + 2 2

Q3:

23 children from Class A joined 30 children from Class F. How many children were there altogether?

Q4:

Daniel and Amelia are making a bridge out of blocks. They choose 23 green blocks and 30 red blocks. How many blocks do they use altogether?

Q5:

Which number is missing?

Q6:

What is the missing number in + 4 3 = 8 3 ?

  • A20
  • B30
  • C40

Q7:

Which number is missing?

  • A9
  • B1
  • C10