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Cogito

Grade 2 Math · Chapter 4 · Lesson 1

Practice Worksheet

Adding With Place Value

Tens with tens, ones with ones.

10 problems · about 11 minutes · 2.NBT.B.5

NameDate

Figure — use these to answer the problems

Count the rods from both rows, then the cubes.
First number
and Second number
Altogether

Tens

6

Ones

8

43 + 25 = 68

First number43
Second number25
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

2 problems

  1. From “A Hundred More, A Hundred Less”

    A hundred more than 546 is?

    Answer

  2. From “Ten More, Ten Less”

    Ten more than 236 is?

    Answer

Warm Up

Straightforward practice. Get the method working first.

4 problems

  1. 23 + 41 = ?

    Answer

  2. What goes with the tens?

    • Other tens.
    • The ones.

  3. 34 + 25 = ?

    Answer

  4. 52 + 36 = ?

    Answer

Build It Up

The same ideas with more to keep track of.

2 problems

  1. 61 + 27 = ?

    Answer

  2. 45 + 30 = ?

    Answer

Stretch Yourself

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

2 problems

  1. Two Classes

    One class collected 32 tins and another collected 46. How many tins in all?

    Answertins

  2. The Long Walk

    Leo walked 51 metres, then 24 metres more. How far did he walk?

    Answermetres