Block Shifters Worksheet
Level 4: Number Theory
Block Shifters
Mastering Multi-Digit Regrouping & Blueprints
NAME:
DATE:
SCORE:
Engineer's Mission: Reconstruct each number by regrouping the base-10 blocks in a brand-new way. Write the new digits in the Regrouped Chart, complete the expanded equation, and draw your visual block blueprint in the drawing workspace!
Blueprint Symbols & Unit Values DRAWING GUIDE
THOUSAND
Value: 1,000
HUNDRED
Value: 100
TEN
Value: 10
ONE
Value: 1
1
Rebuild the Number: 1,324
Mission: Regroup 1 Thousand
Regroup 1 Thousand into 10 Hundreds. Show the new amounts in the charts below:
Standard Chart
Th
H
T
O
1
3
2
4
Regroup
Regrouped Chart
Th
H
T
O
Write the Regrouped Equation:
Th + H + T + O = 1,324
Visual Workspace (Draw Blocks) DRAWING SPACE
2
Rebuild the Number: 2,156
Mission: Regroup 1 Hundred
Regroup 1 Hundred into 10 Tens. Show the new amounts in the charts below:
Standard Chart
Th
H
T
O
2
1
5
6
Regroup
Regrouped Chart
Th
H
T
O
Write the Regrouped Equation:
Th + H + T + O = 2,156
Visual Workspace (Draw Blocks) DRAWING SPACE
BLOCK SHIFTERS BLUEPRINT // GRADE 4 UNIT 1 Blueprint Verification Approved
Block Shifters Answer Key
Teacher Reference
Block Shifters Answer Key
Mastering Multi-Digit Regrouping & Blueprints
NAME: [ TEACHER KEY ]
DATE: ANSWER KEY
SCORE: 10 / 10
Answer Key Mode: Correct student responses, equations, and target drawing layouts are rendered below in rose ink for easy grading and diagnostic assessment.
Blueprint Symbols & Unit Values DRAWING GUIDE
THOUSAND
Value: 1,000
HUNDRED
Value: 100
TEN
Value: 10
ONE
Value: 1
Regrouped Solution
1
Rebuild the Number: 1,324
Regroup 1 Thousand into 10 Hundreds. Show the new amounts in the charts below:
Standard Chart
Th
H
T
O
1
3
2
4
Regroup
Regrouped Chart
Th
H
T
O
0
13
2
4
Write the Regrouped Equation:
0 Th + 13 H + 2 T + 4 O = 1,324
Visual Workspace (Draw Blocks) DRAWING SPACE
13 Flats (1300) + 2 Rods (20) + 4 Units (4)
100
100
100
100
100
100
100
100
100
100
100
100
100
2 Tens
4 Ones
Regrouped Solution
2
Rebuild the Number: 2,156
Regroup 1 Hundred into 10 Tens. Show the new amounts in the charts below:
Standard Chart
Th
H
T
O
2
1
5
6
Regroup
Regrouped Chart
Th
H
T
O
2
0
15
6
Write the Regrouped Equation:
2 Th + 0 H + 15 T + 6 O = 2,156
Visual Workspace (Draw Blocks) DRAWING SPACE
2 Cubes (2000) + 15 Rods (150) + 6 Units (6)
2 Thousands
15 Tens
6 Ones
BLOCK SHIFTERS BLUEPRINT // TEACHER ANSWER KEY Internal Use Only
