In this lesson, we will look at addition equations and decide the best and most efficient strategy we could use to solve them.
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Mrs Crane is using the strategy near doubles to solve the following equation: 3014 + 3007 = ... Which of the following near doubles should she use to help her calculate the answer?
Correct answer: 3000 + 3000
3000 + 3000
3100 + 3100
4000 + 4000
Q2.
Mrs Crane is using the strategy near doubles to solve the following equation: 4136 + 4122 = ... Which of the following near doubles should she use to help her calculate the answer?
4000 + 4000
Correct answer: 4100 + 4100
4100 + 4100
4200 + 4200
Q3.
Mrs Crane is using the strategy round and adjust to solve the following: 4543 + 3003 = ... Which of the numbers in the equation should she use to round and adjust?
Correct answer: 3003
3003
4543
Q4.
Mrs Crane is using the strategy round and adjust to solve the following: 3783 + 2998 = ... Which of the numbers in the equation should she use to round and adjust?
Correct answer: 2998
2998
3783
Q5.
Using the strategy round and adjust, add the following three numbers together: 4001 + 3997 + 2005 =
