Worksheet: Adding Tens

In this worksheet, we will practice adding a multiple of ten to a multiple of ten and model this with place value equipment.

Q1:

Find the two numbers from 10, 20, 60, and 0 which add up to 30.

  • A60,20
  • B10,20
  • C60,0
  • D10,0

Q2:

Which of the following numbers add up to 60?

  • A30, 40
  • B30, 20
  • C40, 20
  • D50, 20
  • E40, 40

Q3:

Complete the following: 4+3=, 4+3=tenstens, 40+30=.

  • A7, 7 tens, 70
  • B3, 3 tens, 10
  • C3, 3 tens, 30
  • D4, 4 tens, 40

Q4:

Find the number that when added to 20 gives 90.

Q5:

Write the missing number: 10+=50.

Q6:

Add to find the total.

Hint: Think about tens and ones. Use base ten blocks to help you.

3+6=.

30+60=.

Q7:

Add to find the total.

7+2=.

70+20=.

Q8:

Isabella is adding tens.

Find the missing numbers.

3 tens plus 4 tens is tens.

30+40=.

Q9:

Find the missing values in the figure below.

  • A60, 10, 50
  • B20, 10, 50
  • C70, 20, 60
  • D70, 10, 50

Q10:

Complete the following: 20+40+0=+0=.

  • A20, 60
  • B40, 60
  • C60, 40
  • D60, 60

Q11:

Complete the figure below.

  • A50, 70, 80
  • B80, 70, 80
  • C70, 70, 80
  • D90, 70, 70

Q12:

Which of the following add up to 60?

  • A20, 20, 10
  • B30, 30, 10
  • C30, 20, 10
  • D40, 20, 10
  • E40, 30, 10

Q13:

Find the number that when added to itself equals 60.

Q14:

Complete the figure below.

  • A30, 80, 20
  • B40, 90, 20
  • C10, 80, 20
  • D50, 80, 10

Q15:

A boy’s mother has 5 ten-pound notes and his father has 4 ten-pound notes. How many ten-pound notes do they have together?

Q16:

James and Charlotte are planting flowers in the garden.

Count in tens to find how many flowers Charlotte planted.

How many flowers did James plant?

Add to find how many flowers they planted altogether.

Q17:

Is 20+40<, = or >30+50?

  • A>
  • B=
  • C<

Q18:

If David has 10 marbles and his friend Noah has 90 marbles, how many marbles do they have together?

Q19:

Find the addition of 80+20 using the following place value blocks.

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