Skip to lesson

Choose “Save as PDF” in the print dialog to keep a copy.

Cogito

Grade 2 Math · Chapter 5 · Lesson 2

Practice Worksheet

Adding Within 1,000

Three columns now, same rule.

10 problems · about 12 minutes · 2.NBT.B.7

NameDate

Figure — use these to answer the problems

Count each kind of block separately.
First number
and Second number
Altogether

Hundreds

3

Tens

8

Ones

6

234 + 152 = 386

First number234
Second number152
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

3 problems

  1. From “Adding and Subtracting Hundreds”

    400 + 500 = ?

    Answer

  2. From “Two-Step Word Problems Within 100”

    55 apples. 27 more arrive. 34 are sold. How many are left?

    Answer

  3. From “Word Problems Within 100”

    47 birds. 28 fly away. How many are left?

    Answer

Warm Up

Straightforward practice. Get the method working first.

3 problems

  1. 341 + 236 = ?

    Answer

  2. What goes with the hundreds?

    • Other hundreds.
    • The ones.

  3. 215 + 342 = ?

    Answer

Build It Up

The same ideas with more to keep track of.

1 problem

  1. 406 + 271 = ?

    Answer

Stretch Yourself

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

3 problems

  1. 523 + 154 = ?

    Answer

  2. Two Libraries

    One library has 312 books and another has 245. How many books in all?

    Answerbooks

  3. The Long Drive

    A car drove 421 km, then 253 km more. How far in total?

    Answerkm