Estimation (Round or Compatible)
Adding Decimals
Subtracting Decimals
Using Grids
Problem Solving
100

Round each number to the nearest whole number. 

48.26 and 13.93 

What is 48 and 14?

100

3.1 + 5.1 = 

What is 8.2?

100

20.8 - 7.3=

What is 13.5?

100

Use the Grids to find the Sum. What are the numbers

What is 0.76 + 0.60 = 1.36?

100

Lunita had dance practice for 6.7 hours on Saturday. Then she had another dance practice for 3.8 hours on Sunday. How much more hours did Lunita practice on Saturday than on Sunday?

What is 2.9 hours?

200

Estimate to find the SUM. Use any strategy.

29.65 and 76.12 

Rounding = 30 + 76 = 106 

Compatible = 30 + 80 = 110 OR 30 + 75 = 105


200

14.7+15.1=

What is 29.8?

200

34.6 - 27.9=

What is 6.7?

200

Use the Grids to find the Difference. What are the numbers?

What is 0.92 - 0.19 = 0.73?

200

Rylan mixed 0.47 grams of salt into a pot of soup he was cooking. Before he served the soup, Rylan added 0.79 grams of salt. How much salt did Rylan put into salt in all?

What is 0.126?

300

Estimate to find the DIFFERENCE. 

187.65 and 97.77 


Rounding = 188 - 98 = 90 

Compatible = 200 - 100 = 100 

300

3 + 4.5=

What is 7.5?

300

15.2- 0.4=

What is 14.8?

300

Use the Grids to find the Difference. What are the numbers?

What is 0.65 - 0.42 = 0.23?

300

Aaleyah wanted to compare heights with Miyha. Miyha says her height is about 134.62 cm. Aaleyah says her height is about 135.7 cm. About how much taller is Aaleyah than Miyha?

What is about 1 cm?
400

Estimate to the nearest whole number. Then find the Sum. 

10.76 + 34. 25 + 55.12 = ?

What is 100?
400

17.82 + 3.66=

What is 21.48?

400

6 - 2.3=

What is 3.7?

400

Use the Grids to find the Sum. What are the numbers

What is 0.4 + 0.93 = 1.33?

400

Thawng and Isaac went to the State Fair this weekend. Thawng bought a Turkey leg which costs $9.78 and Isaac bought two Funnel Cakes which cost $7.29 each. They pooled their money together and gave the cashier $40. How much change did they receive?  

What is $15.64?

500

Estimate to the nearest whole number to find the Difference. 

117.19 - 48.27  - 34.95 

What is 34?

500

11.7 + 2.81 + 14 =

What is 28.51?

500

1124.9 - 567.80 =

What is 557.1?

500

Use the Grids to find the Difference. What are the numbers?

What is 0.65 - 0.2 = 0.45?

500

Get one item from each category with a budget of $50. What will be your total price? How much change will you receive?

 

Answer Varies

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