Related Topics: More Singapore Math Lessons Number Bond Games

Videos, worksheets, services and tasks to aid students learn subtractivity using number bonds in Singapore Math.

In this leschild, we will certainly learn

subtracting ones utilizing number bonds subtracting 10s making use of number bonds subtracting 10s and ones using number bonds. When subtracting 2-digit numbers, the Singapore Math teaches the students to subtract tens and also ones using number bonds. The steps are shown listed below. With enough exercise, the students need to have the ability to do the math in their heads.

### Subtracting Ones For instance, 17 − 3 = ? Tip 1: Use Number bond to separation. 17 = 10 + 7Step 2: Subtract the ones. 7 − 3 = 4Tip 3: 10 + 4 = 14Tip 4: 17 − 3 = 14

For example, 12 − 7 = ?Step 1: Use Number bond to break-up. 12 = 10 + 2Step 2: Subtract the ones. 10 − 7 = 3Tip 3: 2 + 3 = 5Step 4: 12 − 7 = 5

For example, 69 − 2 = ? Step 1: Use Number bond to break-up. 69 = 60 + 9 Step 2: Subtract the ones. 9 − 2 = 7 Tip 3: 60 + 7 = 67 Tip 4: 69 − 2 = 67 For instance, 72 − 8 = ? Step 1: Use Number bond to break-up. 72 = 60 + 12 Step 2: 12 − 8 = 4 Step 3: 60 + 4 = 64 Tip 4: 72 − 8 = 64

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Singapore Math subtraction utilizing number bonds
Example:Subtract a One-Digit Number from a Two-Digit Number - Subtraction utilizing number bonds 19 − 6 = ?13 − 2 = ?17 − 7 = ?14 − 3 = ? Examples of subtraction using number bonds17 − 3 = ?12 − 4 = ?16 − 8 = ?14 − 6 = ?18 − 9 = ?13 − 5 = ? Singapore Math subtractivity making use of number bonds (word problems) Examples: 1) Jane has 17 gel pens. She offered away 4 gel pens to her frifinish. How many gel pens is Jane left with? 2) Joyce has actually 18 toy cars. She offered amethod 5 of them. How many type of does Joyce have left?

### Subtracting Tens

For example, 95 − 40 = ? Step 1: Use Number bond to break-up. 95 = 90 + 5 Step 2: 90 − 40 = 50 Step 3: 50 + 5 = 55 Tip 4: 95 − 40 = 55

### Subtracting Tens and also Ones

For instance, 78 − 24 = ? Step 1: Use Number bond to separation. 78 = 70 + 8, 24 = 20 + 4 Step 2: Subtract the tens. 70 − 20 = 50 Step 3: Subtract the ones. 8 − 4 = 4 Step 4: 50 + 4 = 54 Tip 4: 78 − 24 = 54

For instance, 74 − 28 = ? Step 1: Use Number bond to separation. 74 = 60 + 14, 28 = 20 + 8 Tip 2: Subtract the tens. 60 − 20 = 40 Tip 3: Subtract the ones. 14 − 8 = 6 Step 4: 40 + 6 = 46 Step 4: 72 − 28 = 46 Subtraction via Number Bonds and also the Arrow Way
Example: 56 - 30 Singapore Math Grade 1A SubtractionHow to subtract a single digit number from a two digit number that has actually a number in the ones place smaller sized then the value being subtracted Example:11 − 3 = ?

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