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Cogito

Grade 2 Math · Chapter 4 · Lesson 7

Practice Worksheet

Subtracting With a Broken Ten

Open a ten, then take away as usual.

10 problems · about 14 minutes · 2.NBT.B.5

NameDate

Figure — use these to answer the problems

Break a ten open, then take the blocks away.
Start with
Taken away
What is left

Tens

3

Ones

5

62 − 27 = 35

Start with62
Take away27
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

2 problems

  1. From “Breaking a Ten Apart”

    6 tens and 12 ones is which number?

    Answer

  2. From “Subtracting Tens and Ones”

    95 − 32 = ?

    Answer

Warm Up

Straightforward practice. Get the method working first.

4 problems

  1. 45 − 28 = ?

    Answer

  2. In 62 − 27, can you do 7 − 2 in the ones?

    • No. You must take 7 from the 2.
    • Yes. Take the smaller from the bigger.

  3. 52 − 38 = ?

    Answer

  4. 84 − 29 = ?

    Answer

Build It Up

The same ideas with more to keep track of.

2 problems

  1. 76 − 43 = ?

    Answer

  2. 60 − 25 = ?

    Answer

Stretch Yourself

Mixed problems. Work out what kind of question it is before you start.

2 problems

  1. The Bake Sale

    73 cakes were baked and 48 were sold. How many are left?

    Answercakes

  2. Saving Up

    Leo had 91 pence and spent 56. How much is left?

    Answerpence