Ma+2011

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We are learning to use patterns to find fractions of shapes and sets.

WALT: read and write large numbers. 29,406

509,345,001

88,456,052

64,502,301

808,005,121

402,007,980

34,506,010,123.24

47,203,040,987.23

809,560,030,040.102

67,403,200 sixty seven million, four hundred and three thousand, two hundred.

90,678,032 ninety million, six hundred and seventy eight thousand and thirty two.

1,999,999.09 one million, nine hundred and ninety nine thousand, nine hundred and ninety nine point zero nine

**17 + 6=** +3 -3 20 + 3 = 23

**24 + 14=** **30 + 8 = 38**  **37 + 16=**  **48 + 15=**

**We are learning to jump through a tidy number on a number line to solve problems** **like 17 + ? = 91**.

Darius has 38 cows, he wants to have a herd of 120. How many more cows does he need for his herd? +2 to get to 40, then +80 to get to 120, so the answer is 82.

Isaac has $39 he is saving for a saddle for his horse. The saddle costs $112. How much money does he need to save? +1 to get to 40, then I +70 to get to 110, then +2, so the answer is 73.

Devon has 48 video games, he buys more from trade-me. He now has 92 games. How many games did he buy? +2 to get to 50, then + 40 =90 + 2 so the answer is 44.

Amy has broken 18 bones, she then breaks more bones at camp. She now has 51 broken bones. How many bones did she break at camp? +2 to get to 20, then + 31 so the answer is 33.

Nicole buys Hayden 56 hunting toys. He now has 142 hunting toys. How many did he already have? +4 to get to 60. +82 to get to 142. The answer is 86.

Holly has 38 different colour nail polishes. She gets more colours for her birthday. She now has 214 pottles of nail polish. How many did she get for her birthday? +2 to get to 40. + 60 to get to 100 + 100 to get to 200 + 14. The answer is 176.

Zac has got $16 he needs to save up for his drivers licence. It costs $122. How much does he need to save? $106

Nicole works on the 27th floor she wants to visit Devon and Isacc, they work on the 91st floor. How many floors does Nicole have to walk up?

Darius is trying to swim out to an island. He has swum 19m, the island is 34m away from land. How many more meters does he need to swim?

Caitlin lives at number 48 House Street, Holly lives at number 210. How many houses apart are they?

Zac and Amy have started boot camp. They have to run up 842 stairs, they are on the 68th stair. How many stairs do they still have to climb?

We are learning how knowing 10 ones make ten and 10 tens make 100 can help us solve problems like 567+?=800

106 + ? = 800 ? = 694 279 + ? = 700 ?= 421  378 + ? = 1000 ?= 622 __ 136 + ? = 800 ? = 664 __ __ 809 + ? = 900 = ?=91 __ __ ? + 378 = 1000 ?= 622 __ 2990 + ? = 5000  546 + ? = 4000  6 + ? = 8000  ? + 450 = 5000  ? + 1950 = 9000

We are to add and subtract using comparisons of sets without counting down or counting up. Martin has $7 and David has $3 more than Martin. How much money does David have?

Tusi has $11 and Mere has $8 less than Tusi. How much money does Mere have?

Practice your "make 10"

We are learning how many tens there are in numbers less than 1000.

Mrs Jones takes her class to the circus. She has $237 to pay for the students to get in. Admission is $10 per person. She has 25 in her class. Does she have enough money? No she needs $150

Mrs Jones collects $10 from each of her class to go to the zoo. She collects from 17 students. How much money has she got? $170

We are learning to add three or more numbers by first making pairs that add up to 10.

We are learning to use compatible numbers to solve problems like  5+3+6-8 by first adding 5 and 3 to get 8 and then removing 8.

Tina has 6 tomatoes, Miriam has 2 tomatoes, and Liam has 3 tomatoes. They use 9 to make a salad. How many tomatoes are left?

Tina catches six fish, Miriam catches seven fish, and Liam catches four fish. How many do they catch all together?

6 + 7 + 4 = 17 6 + 4 = 10 + 7 = 17

3 + 7 +3 + 5 + 7= 25

7 + 3 =10 7+ 3 = 10 20 + 5= 25

<span style="font-family: 'Comic Sans MS',cursive; font-size: 160%;">4 + 8 + 4 + 6 + 2= 24

<span style="font-family: 'Comic Sans MS',cursive; font-size: 160%;">5 + 9 + 5 =19 <span style="font-family: 'Comic Sans MS',cursive; font-size: 160%;">5 + 5 + 9 = 19

<span style="color: #800080; font-family: 'Comic Sans MS',cursive; font-size: 160%;">7 + 8 + 5 + 2 + 5 = 27 <span style="color: #800080; font-family: 'Comic Sans MS',cursive; font-size: 160%;">5 + 5 = 10 <span style="color: #800080; font-family: 'Comic Sans MS',cursive; font-size: 160%;">8 + 2 = 10 <span style="color: #800080; font-family: 'Comic Sans MS',cursive; font-size: 160%;">20 + 7 = 27

<span style="color: #000080; font-family: 'Comic Sans MS',cursive; font-size: 160%;">9 + 2 + 3 + 7 + 8 = <span style="color: #000080; font-family: 'Comic Sans MS',cursive; font-size: 160%;">8 + 2 =10 <span style="color: #000080; font-family: 'Comic Sans MS',cursive; font-size: 160%;">7 + 3 = 10 <span style="color: #000080; font-family: 'Comic Sans MS',cursive; font-size: 160%;">20 + 9 = 29