Grade 4 - Progress in Mathematics

Estimate Sums and Differences 2-7 Rounding is one way to estimate sums and differences. Round each number to the greatest place ...

Estimate each difference by rounding. 54 15. $ .38 16. 932 17. $8.57 18. $42.34
23
.16
629
5.08
15.75 6152 20. 4819 21. ...

Update your skills. See page 6. Add and Subtract Money 2-8 $54.59
42.40 $ 96. 99 $54.59  42.40 $ 12. 19 Adding and subtractin ...

Use rounding to estimate. Then add. $.18 2. $.24 3. $.50 4. $.51 5. $7.23
.20
.34
.38
.25
2.55 $4.21 7. $2.22 8. $17. ...

Update your skills. See page 6. Check Addition and Subtraction 2-9 To check addition with more than two addends, add up.
1899 ...

Add or subtract. Then check the answer. 1 7. $5.06 8. 2413 9. $8.17 10. $6.22 11. 8251
4.91
5062
.62
3.56
543 ...

Draw and label a table. Fill in the facts you know. Consider the possible answers. Are the answers reasonable? Is each boy weari ...

Visualize the facts of the problem as you reread it. Facts: Question:Who lives in the middle house? Pedro cannot live in the mid ...

Problem-Solving Applications:Mixed Review 2-11 Solve each problem and explain the method you used. Deirdre needs 140 yards of w ...

Choose a strategy from the list or use another strategy you know to solve each problem. The two-act play is 104 pages long. The ...

90 Chapter 2 Lessons 1–11 The Madison Arts and Crafts Fair had 33 art exhibits and 49 craft exhibits. About how many exhibits w ...

The Abacus The ancient Greeks and Romans used an abacus to make computations. The abacus is still used today in Asian cultures. ...

Use a strategy you have learned. Mike, Bob, and Jeff are 12, 13, and 14 years old. Jeff is the youngest and does not have blond ...

Choose the best answer. In 439,587 which digit is in the hundred thousands place? 8. Which addition property involves the group ...

Which shows 1,541,917 rounded to the nearest hundred thousand? 20. In 64,823 what is the value of the 6? a. 600 b. 6000 c.60,0 ...

A LOT OF KIDS There are a lot of kids Living in my apartment building And a lot of apartment buildings on my street And a lot of ...

Front-End Estimation 3-1 Add the front digits. Write 0s for the other digits. Think 7000
1000
1000  9000 Students in the Hi ...

Use front-end digits to make a rough estimate. Then adjust. 212 2. 358 3. 588 4. $ 3.47 5. $ 6.98 672 143 419 1.30 4.25
827
...

Add with Regrouping 3-2 h t o 1 2 5 8
1 7 7 5 h t o 1 1 2 5 8
1 7 7 3 5 h t o 1 1 2 5 8
1 7 7 4 3 5 Remember: 10 ones
1 ten ...

Remember: You can use rounding or front-end estimation. Choose a method to estimate. Then add. 48 2. 37 3. 58 4. 85 5. 73
46 ...