PARTIAL SUMS ADDITION 483 265 THINK HOW MANY

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PARTIAL SUMS ADDITION 483 +265 THINK HOW MANY PARTS? ? (The largest number has

PARTIAL SUMS ADDITION 483 +265 THINK HOW MANY PARTS? ? (The largest number has 3 digits so there will be 3 parts. ) WORK LEFT TO RIGHT…ADD THE COLUMNS

PARTIAL SUMS ADDITION 483 +265 THINK HOW MANY PARTS? ? (The largest number has

PARTIAL SUMS ADDITION 483 +265 THINK HOW MANY PARTS? ? (The largest number has 3 digits so there will be 3 parts. ) WORK LEFT TO RIGHT…ADD THE COLUMNS STEP 1: ADD 400…. 4 8 3 +200…. 2 6 5 600

PARTIAL SUMS ADDITION 483 +265 THINK HOW MANY PARTS? ? (The largest number has

PARTIAL SUMS ADDITION 483 +265 THINK HOW MANY PARTS? ? (The largest number has 3 digits so there will be 3 parts. ) WORK LEFT TO RIGHT…ADD THE COLUMNS STEP 1: ADD STEP 2: ADD 400…. 4 8 3 80…. 4 8 3 +200…. 2 6 5 +60…. 2 6 5 600 140

PARTIAL SUMS ADDITION 483 +265 THINK HOW MANY PARTS? ? (The largest number has

PARTIAL SUMS ADDITION 483 +265 THINK HOW MANY PARTS? ? (The largest number has 3 digits so there will be 3 parts. ) WORK LEFT TO RIGHT…ADD THE COLUMNS STEP 1: ADD STEP 2: ADD STEP 3: ADD 400…. 4 8 3 80…. 4 8 3 3…. 4 8 3 +200…. 2 6 5 +60…. 2 6 5 +5…. 2 6 5 600 600 140 8

PARTIAL SUMS ADDITION 483 +265 THINK HOW MANY PARTS? ? (The largest number has

PARTIAL SUMS ADDITION 483 +265 THINK HOW MANY PARTS? ? (The largest number has 3 digits so there will be 3 parts. ) WORK LEFT TO RIGHT…ADD THE COLUMNS STEP 1: ADD STEP 2: ADD STEP 3: ADD 400…. 4 8 3 80…. 4 8 3 3…. 4 8 3 +200…. 2 6 5 +60…. 2 6 5 +5…. 2 6 5 600 600 140 8 FINAL STEP: ADD 483 +265 600 140 8 748

TRADE-FIRST SUBTRACTION 463 - 278 THINK HOW MANY STEPS BEFORE YOU SUBTRACT? (The largest

TRADE-FIRST SUBTRACTION 463 - 278 THINK HOW MANY STEPS BEFORE YOU SUBTRACT? (The largest number has 3 digits so there will be 3 WORK LEFT TO RIGHT…TRADE steps. ) STEP 1: TRADE? Can you remove 2 hundreds from 4 hundreds? YES! 463 -278

TRADE-FIRST SUBTRACTION 463 - 278 THINK HOW MANY STEPS BEFORE YOU SUBTRACT? (The largest

TRADE-FIRST SUBTRACTION 463 - 278 THINK HOW MANY STEPS BEFORE YOU SUBTRACT? (The largest number has 3 digits so there will be 3 WORK LEFT TO RIGHT…TRADE steps. ) STEP 1: TRADE? STEP 2: TRADE? Can you take 2 hundreds from 4 hundreds? YES! Can you take 7 tens from 6 tens? NO! TRADE! 3 16 463 - 2 78 463 -278

TRADE-FIRST SUBTRACTION 463 - 278 THINK HOW MANY STEPS BEFORE YOU SUBTRACT? (The largest

TRADE-FIRST SUBTRACTION 463 - 278 THINK HOW MANY STEPS BEFORE YOU SUBTRACT? (The largest number has 3 digits so there will be 3 WORK LEFT TO RIGHT…TRADE steps. ) STEP 1: TRADE? STEP 2: TRADE? Can you take 2 hundreds from 4 hundreds? YES! Can you take 7 tens from 6 tens? NO! TRADE! 3 16 463 - 2 78 STEP 3: TRADE? Can you take 8 from 3? NO! TRADE! 15 3 16 13 463 -278 -2 7 8

TRADE-FIRST SUBTRACTION 463 - 278 THINK HOW MANY STEPS BEFORE YOU SUBTRACT? (The largest

TRADE-FIRST SUBTRACTION 463 - 278 THINK HOW MANY STEPS BEFORE YOU SUBTRACT? (The largest number has 3 digits so there will be 3 WORK LEFT TO RIGHT…TRADE steps. ) STEP 1: TRADE? STEP 2: TRADE? Can you take 2 hundreds from 4 hundreds? YES! Can you take 7 tens from 6 tens? NO! TRADE! 3 16 463 - 2 78 STEP 3: TRADE? Can you take 8 from 3? NO! TRADE! 15 3 16 13 STEP 4: SUBTRACT 15 3 16 13 463 463 -278 -2 7 8 185