Block Builders Study Guide
Block Builders Co.
Addition Blueprint • Review Packet
Name:
Date:
Architect's Guide: Sticks & Dots
When drawing numbers, use quick symbols instead of drawing whole blocks. It is faster and keeps your blueprint clean!
1 Ten (Rod)
Draw 1 line (|)
1 One (Unit)
Draw 1 dot (▪)
Regrouping Rule
10 ▪ 1 |
Circle 10 dots → Make 1 line
1
Job #1: Standard Addition (No Regrouping)
Warm-Up
Build This:
34 + 23 = ___
Tens (Lines)
Ones (Dots)
2
Job #2: Build and Regroup!
Regroup Needed
Build This:
48 + 25 = ___
Tens (Lines)
Ones (Dots)
BLOCK BUILDERS REVIEW PACKET PAGE 1/2: ADDITION
Block Builders Co.
Subtraction Blueprint • Review Packet
Name:
Date:
Demolition Guide: Unbundling a Ten
When taking away, if you do not have enough ones dots to cross out, you must trade 1 ten line for 10 ones dots!
1. Draw Total
52 →
| | | | | ▪ ▪
Draw the first number
2. Trade 1 Ten
|
▪▪▪▪▪ ▪▪▪▪▪
Cross out 1 ten line, draw 10 dots
3. Smash & Subtract
||▪
Cross out what you subtract
3
Job #3: Demolition without Trading
Warm-Up
Draw & Subtract:
65 - 23 = ___
Tens (Lines)
Ones (Dots)
4
Job #4: Trade a Ten to Subtract!
Trade Needed
Draw & Subtract:
72 - 38 = ___
Tens (Lines)
Ones (Dots)
BLOCK BUILDERS REVIEW PACKET PAGE 2/2: SUBTRACTION
Block Builders Unit Test
Block Builders Co.
Unit Test • Sums & Differences to 100
Name:
Date:
Score / 100
Test Instructions:
For each job, write the final answer in the blank. Use the Sticks (|) and Dots (▪) workspace to show your base-ten drawing. Remember to circle your regrouped ones group if you trade!
1
Job #1: Standard Addition Assembly
15 Points
Problem:
42 + 25 = ___
Tens (|)
Ones (▪)
2
Job #2: Build & Trade (Regrouping)
20 Points
Problem:
57 + 16 = ___
Tens (|)
Ones (▪)
3
Job #3: Double-Block Assembly (Regrouping)
15 Points
Problem:
38 + 44 = ___
Tens (|)
Ones (▪)
BLOCK BUILDERS UNIT TEST PAGE 1/2: ADDITION
Block Builders Co.
Unit Test • Sums & Differences to 100
Name:
Date:
Score / 100
Test Instructions:
For each job, draw the total first. Cross out the blocks you subtract. If you don't have enough ones, trade 1 ten line for 10 ones dots, then subtract!
4
Job #4: Standard Demolition Work
15 Points
Problem:
76 - 32 = ___
Tens (|)
Ones (▪)
5
Job #5: Demolition with Trading
20 Points
Problem:
83 - 45 = ___
Tens (|)
Ones (▪)
6
Job #6: Major Demolition (Regrouping)
15 Points
Problem:
91 - 37 = ___
Tens (|)
Ones (▪)
BLOCK BUILDERS UNIT TEST PAGE 2/2: SUBTRACTION
